Home / 10,266.38-15,390.24-5,330.24

Finding the Fourth Proportional to 10,266.38, 15,390.24 and 5,330.24

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Solution

The fourth proportional to 10,266.38, 15,390.24 and 5,330.24 is: 7,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.38 : 15,390.24 = 5,330.24 : x
  2. Step 2: Convert to fraction form
    10,266.38/15,390.24 = 5,330.24/x
  3. Step 3: Cross multiply
    10,266.38x = 15,390.24 × 5,330.24
  4. Step 4: Simplify right side
    10,266.38x = 82,033,672.86
  5. Step 5: Solve for x
    x = 82,033,672.86/10,266.38
  6. Step 6: Final answer
    x = 7,990.52

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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.