Home / 9,531.61-13,154.91-5,553.97

Finding the Fourth Proportional to 9,531.61, 13,154.91 and 5,553.97

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Solution

The fourth proportional to 9,531.61, 13,154.91 and 5,553.97 is: 7,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.61 : 13,154.91 = 5,553.97 : x
  2. Step 2: Convert to fraction form
    9,531.61/13,154.91 = 5,553.97/x
  3. Step 3: Cross multiply
    9,531.61x = 13,154.91 × 5,553.97
  4. Step 4: Simplify right side
    9,531.61x = 73,061,975.49
  5. Step 5: Solve for x
    x = 73,061,975.49/9,531.61
  6. Step 6: Final answer
    x = 7,665.23

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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.