Home / 12,356.72-17,052.18-6,691.48

Finding the Fourth Proportional to 12,356.72, 17,052.18 and 6,691.48

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Solution

The fourth proportional to 12,356.72, 17,052.18 and 6,691.48 is: 9,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.72 : 17,052.18 = 6,691.48 : x
  2. Step 2: Convert to fraction form
    12,356.72/17,052.18 = 6,691.48/x
  3. Step 3: Cross multiply
    12,356.72x = 17,052.18 × 6,691.48
  4. Step 4: Simplify right side
    12,356.72x = 114,104,321.43
  5. Step 5: Solve for x
    x = 114,104,321.43/12,356.72
  6. Step 6: Final answer
    x = 9,234.19

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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.