Home / 15,286.20-22,934.16-5,431.74

Finding the Fourth Proportional to 15,286.20, 22,934.16 and 5,431.74

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Solution

The fourth proportional to 15,286.20, 22,934.16 and 5,431.74 is: 8,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.20 : 22,934.16 = 5,431.74 : x
  2. Step 2: Convert to fraction form
    15,286.20/22,934.16 = 5,431.74/x
  3. Step 3: Cross multiply
    15,286.20x = 22,934.16 × 5,431.74
  4. Step 4: Simplify right side
    15,286.20x = 124,572,394.24
  5. Step 5: Solve for x
    x = 124,572,394.24/15,286.20
  6. Step 6: Final answer
    x = 8,149.34

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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.