Home / 22,272.90-33,414.12-6,478.20

Finding the Fourth Proportional to 22,272.90, 33,414.12 and 6,478.20

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Solution

The fourth proportional to 22,272.90, 33,414.12 and 6,478.20 is: 9,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.90 : 33,414.12 = 6,478.20 : x
  2. Step 2: Convert to fraction form
    22,272.90/33,414.12 = 6,478.20/x
  3. Step 3: Cross multiply
    22,272.90x = 33,414.12 × 6,478.20
  4. Step 4: Simplify right side
    22,272.90x = 216,463,352.18
  5. Step 5: Solve for x
    x = 216,463,352.18/22,272.90
  6. Step 6: Final answer
    x = 9,718.69

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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.