Home / 11,272.78-15,555.15-6,236.30

Finding the Fourth Proportional to 11,272.78, 15,555.15 and 6,236.30

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Solution

The fourth proportional to 11,272.78, 15,555.15 and 6,236.30 is: 8,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.78 : 15,555.15 = 6,236.30 : x
  2. Step 2: Convert to fraction form
    11,272.78/15,555.15 = 6,236.30/x
  3. Step 3: Cross multiply
    11,272.78x = 15,555.15 × 6,236.30
  4. Step 4: Simplify right side
    11,272.78x = 97,006,620.83
  5. Step 5: Solve for x
    x = 97,006,620.83/11,272.78
  6. Step 6: Final answer
    x = 8,605.38

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Half scale
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Double scale
Find fourth proportional to 11,273.78, 15,556.53 and 6,237.30
Similar ratio
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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.