Home / 12,680.68-17,503.74-8,714.92

Finding the Fourth Proportional to 12,680.68, 17,503.74 and 8,714.92

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Solution

The fourth proportional to 12,680.68, 17,503.74 and 8,714.92 is: 12,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,680.68 : 17,503.74 = 8,714.92 : x
  2. Step 2: Convert to fraction form
    12,680.68/17,503.74 = 8,714.92/x
  3. Step 3: Cross multiply
    12,680.68x = 17,503.74 × 8,714.92
  4. Step 4: Simplify right side
    12,680.68x = 152,543,693.80
  5. Step 5: Solve for x
    x = 152,543,693.80/12,680.68
  6. Step 6: Final answer
    x = 12,029.61

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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.