Home / 22,445.12-33,665.04-6,862.88

Finding the Fourth Proportional to 22,445.12, 33,665.04 and 6,862.88

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Solution

The fourth proportional to 22,445.12, 33,665.04 and 6,862.88 is: 10,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.12 : 33,665.04 = 6,862.88 : x
  2. Step 2: Convert to fraction form
    22,445.12/33,665.04 = 6,862.88/x
  3. Step 3: Cross multiply
    22,445.12x = 33,665.04 × 6,862.88
  4. Step 4: Simplify right side
    22,445.12x = 231,039,129.72
  5. Step 5: Solve for x
    x = 231,039,129.72/22,445.12
  6. Step 6: Final answer
    x = 10,293.51

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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.