Home / 12,517.52-17,246.39-8,261.01

Finding the Fourth Proportional to 12,517.52, 17,246.39 and 8,261.01

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Solution

The fourth proportional to 12,517.52, 17,246.39 and 8,261.01 is: 11,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.52 : 17,246.39 = 8,261.01 : x
  2. Step 2: Convert to fraction form
    12,517.52/17,246.39 = 8,261.01/x
  3. Step 3: Cross multiply
    12,517.52x = 17,246.39 × 8,261.01
  4. Step 4: Simplify right side
    12,517.52x = 142,472,558.95
  5. Step 5: Solve for x
    x = 142,472,558.95/12,517.52
  6. Step 6: Final answer
    x = 11,381.86

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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.