Home / 16,687.46-23,031.28-9,517.39

Finding the Fourth Proportional to 16,687.46, 23,031.28 and 9,517.39

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Solution

The fourth proportional to 16,687.46, 23,031.28 and 9,517.39 is: 13,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.46 : 23,031.28 = 9,517.39 : x
  2. Step 2: Convert to fraction form
    16,687.46/23,031.28 = 9,517.39/x
  3. Step 3: Cross multiply
    16,687.46x = 23,031.28 × 9,517.39
  4. Step 4: Simplify right side
    16,687.46x = 219,197,558.80
  5. Step 5: Solve for x
    x = 219,197,558.80/16,687.46
  6. Step 6: Final answer
    x = 13,135.47

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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.