Home / 10,144.74-15,217.12-6,637.70

Finding the Fourth Proportional to 10,144.74, 15,217.12 and 6,637.70

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Solution

The fourth proportional to 10,144.74, 15,217.12 and 6,637.70 is: 9,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.74 : 15,217.12 = 6,637.70 : x
  2. Step 2: Convert to fraction form
    10,144.74/15,217.12 = 6,637.70/x
  3. Step 3: Cross multiply
    10,144.74x = 15,217.12 × 6,637.70
  4. Step 4: Simplify right side
    10,144.74x = 101,006,600.83
  5. Step 5: Solve for x
    x = 101,006,600.83/10,144.74
  6. Step 6: Final answer
    x = 9,956.55

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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.