Home / 10,269.76-15,330.35-9,024.20

Finding the Fourth Proportional to 10,269.76, 15,330.35 and 9,024.20

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Solution

The fourth proportional to 10,269.76, 15,330.35 and 9,024.20 is: 13,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.76 : 15,330.35 = 9,024.20 : x
  2. Step 2: Convert to fraction form
    10,269.76/15,330.35 = 9,024.20/x
  3. Step 3: Cross multiply
    10,269.76x = 15,330.35 × 9,024.20
  4. Step 4: Simplify right side
    10,269.76x = 138,344,144.47
  5. Step 5: Solve for x
    x = 138,344,144.47/10,269.76
  6. Step 6: Final answer
    x = 13,471.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.