Home / 21,398.60-32,095.46-8,249.88

Finding the Fourth Proportional to 21,398.60, 32,095.46 and 8,249.88

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Solution

The fourth proportional to 21,398.60, 32,095.46 and 8,249.88 is: 12,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398.60 : 32,095.46 = 8,249.88 : x
  2. Step 2: Convert to fraction form
    21,398.60/32,095.46 = 8,249.88/x
  3. Step 3: Cross multiply
    21,398.60x = 32,095.46 × 8,249.88
  4. Step 4: Simplify right side
    21,398.60x = 264,783,693.54
  5. Step 5: Solve for x
    x = 264,783,693.54/21,398.60
  6. Step 6: Final answer
    x = 12,373.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.