Home / 11,366.83-15,686.18-6,330.75

Finding the Fourth Proportional to 11,366.83, 15,686.18 and 6,330.75

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Solution

The fourth proportional to 11,366.83, 15,686.18 and 6,330.75 is: 8,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.83 : 15,686.18 = 6,330.75 : x
  2. Step 2: Convert to fraction form
    11,366.83/15,686.18 = 6,330.75/x
  3. Step 3: Cross multiply
    11,366.83x = 15,686.18 × 6,330.75
  4. Step 4: Simplify right side
    11,366.83x = 99,305,299.86
  5. Step 5: Solve for x
    x = 99,305,299.86/11,366.83
  6. Step 6: Final answer
    x = 8,736.41

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Find fourth proportional to 5,683.41, 7,843.09 and 3,165.38
Half scale
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Double scale
Find fourth proportional to 11,367.83, 15,687.56 and 6,331.75
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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.