Home / 18,337.31-25,305.87-11,167.53

Finding the Fourth Proportional to 18,337.31, 25,305.87 and 11,167.53

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Solution

The fourth proportional to 18,337.31, 25,305.87 and 11,167.53 is: 15,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.31 : 25,305.87 = 11,167.53 : x
  2. Step 2: Convert to fraction form
    18,337.31/25,305.87 = 11,167.53/x
  3. Step 3: Cross multiply
    18,337.31x = 25,305.87 × 11,167.53
  4. Step 4: Simplify right side
    18,337.31x = 282,604,062.40
  5. Step 5: Solve for x
    x = 282,604,062.40/18,337.31
  6. Step 6: Final answer
    x = 15,411.43

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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.