Home / 10,022.38-15,037.02-4,479.55

Finding the Fourth Proportional to 10,022.38, 15,037.02 and 4,479.55

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Solution

The fourth proportional to 10,022.38, 15,037.02 and 4,479.55 is: 6,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.38 : 15,037.02 = 4,479.55 : x
  2. Step 2: Convert to fraction form
    10,022.38/15,037.02 = 4,479.55/x
  3. Step 3: Cross multiply
    10,022.38x = 15,037.02 × 4,479.55
  4. Step 4: Simplify right side
    10,022.38x = 67,359,082.94
  5. Step 5: Solve for x
    x = 67,359,082.94/10,022.38
  6. Step 6: Final answer
    x = 6,720.87

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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.