Home / 11,387.61-17,087.90-5,549.13

Finding the Fourth Proportional to 11,387.61, 17,087.90 and 5,549.13

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Solution

The fourth proportional to 11,387.61, 17,087.90 and 5,549.13 is: 8,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.61 : 17,087.90 = 5,549.13 : x
  2. Step 2: Convert to fraction form
    11,387.61/17,087.90 = 5,549.13/x
  3. Step 3: Cross multiply
    11,387.61x = 17,087.90 × 5,549.13
  4. Step 4: Simplify right side
    11,387.61x = 94,822,950.78
  5. Step 5: Solve for x
    x = 94,822,950.78/11,387.61
  6. Step 6: Final answer
    x = 8,326.85

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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.