Home / 15,010.18-20,714.84-8,637.73

Finding the Fourth Proportional to 15,010.18, 20,714.84 and 8,637.73

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Solution

The fourth proportional to 15,010.18, 20,714.84 and 8,637.73 is: 11,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.18 : 20,714.84 = 8,637.73 : x
  2. Step 2: Convert to fraction form
    15,010.18/20,714.84 = 8,637.73/x
  3. Step 3: Cross multiply
    15,010.18x = 20,714.84 × 8,637.73
  4. Step 4: Simplify right side
    15,010.18x = 178,929,194.91
  5. Step 5: Solve for x
    x = 178,929,194.91/15,010.18
  6. Step 6: Final answer
    x = 11,920.52

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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.