Home / 10,257.26-15,366.44-5,066.78

Finding the Fourth Proportional to 10,257.26, 15,366.44 and 5,066.78

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Solution

The fourth proportional to 10,257.26, 15,366.44 and 5,066.78 is: 7,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.26 : 15,366.44 = 5,066.78 : x
  2. Step 2: Convert to fraction form
    10,257.26/15,366.44 = 5,066.78/x
  3. Step 3: Cross multiply
    10,257.26x = 15,366.44 × 5,066.78
  4. Step 4: Simplify right side
    10,257.26x = 77,858,306.70
  5. Step 5: Solve for x
    x = 77,858,306.70/10,257.26
  6. Step 6: Final answer
    x = 7,590.56

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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.