Home / 10,099.56-15,151.77-4,257.84

Finding the Fourth Proportional to 10,099.56, 15,151.77 and 4,257.84

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Solution

The fourth proportional to 10,099.56, 15,151.77 and 4,257.84 is: 6,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.56 : 15,151.77 = 4,257.84 : x
  2. Step 2: Convert to fraction form
    10,099.56/15,151.77 = 4,257.84/x
  3. Step 3: Cross multiply
    10,099.56x = 15,151.77 × 4,257.84
  4. Step 4: Simplify right side
    10,099.56x = 64,513,812.38
  5. Step 5: Solve for x
    x = 64,513,812.38/10,099.56
  6. Step 6: Final answer
    x = 6,387.78

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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.