Home / 16,629.20-22,956.80-12,843.88

Finding the Fourth Proportional to 16,629.20, 22,956.80 and 12,843.88

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Solution

The fourth proportional to 16,629.20, 22,956.80 and 12,843.88 is: 17,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.20 : 22,956.80 = 12,843.88 : x
  2. Step 2: Convert to fraction form
    16,629.20/22,956.80 = 12,843.88/x
  3. Step 3: Cross multiply
    16,629.20x = 22,956.80 × 12,843.88
  4. Step 4: Simplify right side
    16,629.20x = 294,854,384.38
  5. Step 5: Solve for x
    x = 294,854,384.38/16,629.20
  6. Step 6: Final answer
    x = 17,731.12

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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.