Home / 10,331.31-15,497.12-2,540.13

Finding the Fourth Proportional to 10,331.31, 15,497.12 and 2,540.13

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Solution

The fourth proportional to 10,331.31, 15,497.12 and 2,540.13 is: 3,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.31 : 15,497.12 = 2,540.13 : x
  2. Step 2: Convert to fraction form
    10,331.31/15,497.12 = 2,540.13/x
  3. Step 3: Cross multiply
    10,331.31x = 15,497.12 × 2,540.13
  4. Step 4: Simplify right side
    10,331.31x = 39,364,699.43
  5. Step 5: Solve for x
    x = 39,364,699.43/10,331.31
  6. Step 6: Final answer
    x = 3,810.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.