Home / 16,687.26-23,003.88-12,701.43

Finding the Fourth Proportional to 16,687.26, 23,003.88 and 12,701.43

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Solution

The fourth proportional to 16,687.26, 23,003.88 and 12,701.43 is: 17,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.26 : 23,003.88 = 12,701.43 : x
  2. Step 2: Convert to fraction form
    16,687.26/23,003.88 = 12,701.43/x
  3. Step 3: Cross multiply
    16,687.26x = 23,003.88 × 12,701.43
  4. Step 4: Simplify right side
    16,687.26x = 292,182,171.55
  5. Step 5: Solve for x
    x = 292,182,171.55/16,687.26
  6. Step 6: Final answer
    x = 17,509.30

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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.