Home / 18,031.60-24,874.86-12,714.76

Finding the Fourth Proportional to 18,031.60, 24,874.86 and 12,714.76

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Solution

The fourth proportional to 18,031.60, 24,874.86 and 12,714.76 is: 17,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.60 : 24,874.86 = 12,714.76 : x
  2. Step 2: Convert to fraction form
    18,031.60/24,874.86 = 12,714.76/x
  3. Step 3: Cross multiply
    18,031.60x = 24,874.86 × 12,714.76
  4. Step 4: Simplify right side
    18,031.60x = 316,277,874.93
  5. Step 5: Solve for x
    x = 316,277,874.93/18,031.60
  6. Step 6: Final answer
    x = 17,540.20

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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.