Home / 10,151.60-15,229.76-3,226.08

Finding the Fourth Proportional to 10,151.60, 15,229.76 and 3,226.08

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Solution

The fourth proportional to 10,151.60, 15,229.76 and 3,226.08 is: 4,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.60 : 15,229.76 = 3,226.08 : x
  2. Step 2: Convert to fraction form
    10,151.60/15,229.76 = 3,226.08/x
  3. Step 3: Cross multiply
    10,151.60x = 15,229.76 × 3,226.08
  4. Step 4: Simplify right side
    10,151.60x = 49,132,424.14
  5. Step 5: Solve for x
    x = 49,132,424.14/10,151.60
  6. Step 6: Final answer
    x = 4,839.87

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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.