Home / 21,445.97-32,173.20-8,298.45

Finding the Fourth Proportional to 21,445.97, 32,173.20 and 8,298.45

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Solution

The fourth proportional to 21,445.97, 32,173.20 and 8,298.45 is: 12,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.97 : 32,173.20 = 8,298.45 : x
  2. Step 2: Convert to fraction form
    21,445.97/32,173.20 = 8,298.45/x
  3. Step 3: Cross multiply
    21,445.97x = 32,173.20 × 8,298.45
  4. Step 4: Simplify right side
    21,445.97x = 266,987,691.54
  5. Step 5: Solve for x
    x = 266,987,691.54/21,445.97
  6. Step 6: Final answer
    x = 12,449.32

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1.5x scale

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.