Home / 12,654.52-17,463.32-6,989.11

Finding the Fourth Proportional to 12,654.52, 17,463.32 and 6,989.11

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Solution

The fourth proportional to 12,654.52, 17,463.32 and 6,989.11 is: 9,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.52 : 17,463.32 = 6,989.11 : x
  2. Step 2: Convert to fraction form
    12,654.52/17,463.32 = 6,989.11/x
  3. Step 3: Cross multiply
    12,654.52x = 17,463.32 × 6,989.11
  4. Step 4: Simplify right side
    12,654.52x = 122,053,064.45
  5. Step 5: Solve for x
    x = 122,053,064.45/12,654.52
  6. Step 6: Final answer
    x = 9,645.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.