Home / 11,589.38-17,385.35-3,689.13

Finding the Fourth Proportional to 11,589.38, 17,385.35 and 3,689.13

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Solution

The fourth proportional to 11,589.38, 17,385.35 and 3,689.13 is: 5,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589.38 : 17,385.35 = 3,689.13 : x
  2. Step 2: Convert to fraction form
    11,589.38/17,385.35 = 3,689.13/x
  3. Step 3: Cross multiply
    11,589.38x = 17,385.35 × 3,689.13
  4. Step 4: Simplify right side
    11,589.38x = 64,136,710.87
  5. Step 5: Solve for x
    x = 64,136,710.87/11,589.38
  6. Step 6: Final answer
    x = 5,534.10

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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.