Home / 14,248.22-21,275.04-12,757.82

Finding the Fourth Proportional to 14,248.22, 21,275.04 and 12,757.82

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Solution

The fourth proportional to 14,248.22, 21,275.04 and 12,757.82 is: 19,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.22 : 21,275.04 = 12,757.82 : x
  2. Step 2: Convert to fraction form
    14,248.22/21,275.04 = 12,757.82/x
  3. Step 3: Cross multiply
    14,248.22x = 21,275.04 × 12,757.82
  4. Step 4: Simplify right side
    14,248.22x = 271,423,067.02
  5. Step 5: Solve for x
    x = 271,423,067.02/14,248.22
  6. Step 6: Final answer
    x = 19,049.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.