Home / 12,380.18-17,084.60-6,714.91

Finding the Fourth Proportional to 12,380.18, 17,084.60 and 6,714.91

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Solution

The fourth proportional to 12,380.18, 17,084.60 and 6,714.91 is: 9,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.18 : 17,084.60 = 6,714.91 : x
  2. Step 2: Convert to fraction form
    12,380.18/17,084.60 = 6,714.91/x
  3. Step 3: Cross multiply
    12,380.18x = 17,084.60 × 6,714.91
  4. Step 4: Simplify right side
    12,380.18x = 114,721,508.67
  5. Step 5: Solve for x
    x = 114,721,508.67/12,380.18
  6. Step 6: Final answer
    x = 9,266.54

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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.