Home / 12,320.73-18,481.10-10,467.45

Finding the Fourth Proportional to 12,320.73, 18,481.10 and 10,467.45

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Solution

The fourth proportional to 12,320.73, 18,481.10 and 10,467.45 is: 15,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.73 : 18,481.10 = 10,467.45 : x
  2. Step 2: Convert to fraction form
    12,320.73/18,481.10 = 10,467.45/x
  3. Step 3: Cross multiply
    12,320.73x = 18,481.10 × 10,467.45
  4. Step 4: Simplify right side
    12,320.73x = 193,449,937.86
  5. Step 5: Solve for x
    x = 193,449,937.86/12,320.73
  6. Step 6: Final answer
    x = 15,701.18

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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.