Home / 11,208.76-15,468.19-6,173.13

Finding the Fourth Proportional to 11,208.76, 15,468.19 and 6,173.13

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Solution

The fourth proportional to 11,208.76, 15,468.19 and 6,173.13 is: 8,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.76 : 15,468.19 = 6,173.13 : x
  2. Step 2: Convert to fraction form
    11,208.76/15,468.19 = 6,173.13/x
  3. Step 3: Cross multiply
    11,208.76x = 15,468.19 × 6,173.13
  4. Step 4: Simplify right side
    11,208.76x = 95,487,147.73
  5. Step 5: Solve for x
    x = 95,487,147.73/11,208.76
  6. Step 6: Final answer
    x = 8,518.98

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Find fourth proportional to 5,604.38, 7,734.10 and 3,086.57
Half scale
Find fourth proportional to 22,417.51, 30,936.38 and 12,346.26
Double scale
Find fourth proportional to 11,209.76, 15,469.57 and 6,174.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.