Home / 11,372.38-17,033.18-8,720.35

Finding the Fourth Proportional to 11,372.38, 17,033.18 and 8,720.35

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Solution

The fourth proportional to 11,372.38, 17,033.18 and 8,720.35 is: 13,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.38 : 17,033.18 = 8,720.35 : x
  2. Step 2: Convert to fraction form
    11,372.38/17,033.18 = 8,720.35/x
  3. Step 3: Cross multiply
    11,372.38x = 17,033.18 × 8,720.35
  4. Step 4: Simplify right side
    11,372.38x = 148,535,349.89
  5. Step 5: Solve for x
    x = 148,535,349.89/11,372.38
  6. Step 6: Final answer
    x = 13,061.06

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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.