Home / 23,757.12-32,781.96-13,146.12

Finding the Fourth Proportional to 23,757.12, 32,781.96 and 13,146.12

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Solution

The fourth proportional to 23,757.12, 32,781.96 and 13,146.12 is: 18,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,757.12 : 32,781.96 = 13,146.12 : x
  2. Step 2: Convert to fraction form
    23,757.12/32,781.96 = 13,146.12/x
  3. Step 3: Cross multiply
    23,757.12x = 32,781.96 × 13,146.12
  4. Step 4: Simplify right side
    23,757.12x = 430,955,580.00
  5. Step 5: Solve for x
    x = 430,955,580.00/23,757.12
  6. Step 6: Final answer
    x = 18,140.06

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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.