Home / 14,517.35-20,034.17-8,145.35

Finding the Fourth Proportional to 14,517.35, 20,034.17 and 8,145.35

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Solution

The fourth proportional to 14,517.35, 20,034.17 and 8,145.35 is: 11,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.35 : 20,034.17 = 8,145.35 : x
  2. Step 2: Convert to fraction form
    14,517.35/20,034.17 = 8,145.35/x
  3. Step 3: Cross multiply
    14,517.35x = 20,034.17 × 8,145.35
  4. Step 4: Simplify right side
    14,517.35x = 163,185,326.61
  5. Step 5: Solve for x
    x = 163,185,326.61/14,517.35
  6. Step 6: Final answer
    x = 11,240.71

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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.