Home / 10,255.41-15,383.12-5,323.73

Finding the Fourth Proportional to 10,255.41, 15,383.12 and 5,323.73

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Solution

The fourth proportional to 10,255.41, 15,383.12 and 5,323.73 is: 7,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.41 : 15,383.12 = 5,323.73 : x
  2. Step 2: Convert to fraction form
    10,255.41/15,383.12 = 5,323.73/x
  3. Step 3: Cross multiply
    10,255.41x = 15,383.12 × 5,323.73
  4. Step 4: Simplify right side
    10,255.41x = 81,895,473.90
  5. Step 5: Solve for x
    x = 81,895,473.90/10,255.41
  6. Step 6: Final answer
    x = 7,985.59

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Similar ratio
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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.