Home / 10,008.20-15,013.93-3,082.70

Finding the Fourth Proportional to 10,008.20, 15,013.93 and 3,082.70

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Solution

The fourth proportional to 10,008.20, 15,013.93 and 3,082.70 is: 4,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.20 : 15,013.93 = 3,082.70 : x
  2. Step 2: Convert to fraction form
    10,008.20/15,013.93 = 3,082.70/x
  3. Step 3: Cross multiply
    10,008.20x = 15,013.93 × 3,082.70
  4. Step 4: Simplify right side
    10,008.20x = 46,283,442.01
  5. Step 5: Solve for x
    x = 46,283,442.01/10,008.20
  6. Step 6: Final answer
    x = 4,624.55

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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.