Home / 15,251.20-22,878.24-6,485.92

Finding the Fourth Proportional to 15,251.20, 22,878.24 and 6,485.92

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Solution

The fourth proportional to 15,251.20, 22,878.24 and 6,485.92 is: 9,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.20 : 22,878.24 = 6,485.92 : x
  2. Step 2: Convert to fraction form
    15,251.20/22,878.24 = 6,485.92/x
  3. Step 3: Cross multiply
    15,251.20x = 22,878.24 × 6,485.92
  4. Step 4: Simplify right side
    15,251.20x = 148,386,434.38
  5. Step 5: Solve for x
    x = 148,386,434.38/15,251.20
  6. Step 6: Final answer
    x = 9,729.49

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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.