Home / 10,302.24-15,432.48-8,225.76

Finding the Fourth Proportional to 10,302.24, 15,432.48 and 8,225.76

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Solution

The fourth proportional to 10,302.24, 15,432.48 and 8,225.76 is: 12,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.24 : 15,432.48 = 8,225.76 : x
  2. Step 2: Convert to fraction form
    10,302.24/15,432.48 = 8,225.76/x
  3. Step 3: Cross multiply
    10,302.24x = 15,432.48 × 8,225.76
  4. Step 4: Simplify right side
    10,302.24x = 126,943,876.68
  5. Step 5: Solve for x
    x = 126,943,876.68/10,302.24
  6. Step 6: Final answer
    x = 12,321.97

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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.