Home / 12,710.20-17,546.28-8,463.78

Finding the Fourth Proportional to 12,710.20, 17,546.28 and 8,463.78

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Solution

The fourth proportional to 12,710.20, 17,546.28 and 8,463.78 is: 11,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.20 : 17,546.28 = 8,463.78 : x
  2. Step 2: Convert to fraction form
    12,710.20/17,546.28 = 8,463.78/x
  3. Step 3: Cross multiply
    12,710.20x = 17,546.28 × 8,463.78
  4. Step 4: Simplify right side
    12,710.20x = 148,507,853.74
  5. Step 5: Solve for x
    x = 148,507,853.74/12,710.20
  6. Step 6: Final answer
    x = 11,684.15

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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.