Home / 10,174.20-15,224.22-8,402.73

Finding the Fourth Proportional to 10,174.20, 15,224.22 and 8,402.73

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Solution

The fourth proportional to 10,174.20, 15,224.22 and 8,402.73 is: 12,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.20 : 15,224.22 = 8,402.73 : x
  2. Step 2: Convert to fraction form
    10,174.20/15,224.22 = 8,402.73/x
  3. Step 3: Cross multiply
    10,174.20x = 15,224.22 × 8,402.73
  4. Step 4: Simplify right side
    10,174.20x = 127,925,010.12
  5. Step 5: Solve for x
    x = 127,925,010.12/10,174.20
  6. Step 6: Final answer
    x = 12,573.47

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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.