Home / 13,747.50-20,611.14-4,382.13

Finding the Fourth Proportional to 13,747.50, 20,611.14 and 4,382.13

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Solution

The fourth proportional to 13,747.50, 20,611.14 and 4,382.13 is: 6,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.50 : 20,611.14 = 4,382.13 : x
  2. Step 2: Convert to fraction form
    13,747.50/20,611.14 = 4,382.13/x
  3. Step 3: Cross multiply
    13,747.50x = 20,611.14 × 4,382.13
  4. Step 4: Simplify right side
    13,747.50x = 90,320,694.93
  5. Step 5: Solve for x
    x = 90,320,694.93/13,747.50
  6. Step 6: Final answer
    x = 6,569.97

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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.