Home / 10,655.61-15,983.42-3,728.49

Finding the Fourth Proportional to 10,655.61, 15,983.42 and 3,728.49

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Solution

The fourth proportional to 10,655.61, 15,983.42 and 3,728.49 is: 5,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.61 : 15,983.42 = 3,728.49 : x
  2. Step 2: Convert to fraction form
    10,655.61/15,983.42 = 3,728.49/x
  3. Step 3: Cross multiply
    10,655.61x = 15,983.42 × 3,728.49
  4. Step 4: Simplify right side
    10,655.61x = 59,594,002.99
  5. Step 5: Solve for x
    x = 59,594,002.99/10,655.61
  6. Step 6: Final answer
    x = 5,592.74

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Similar ratio
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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.