Home / 22,128.32-33,167.20-8,974.40

Finding the Fourth Proportional to 22,128.32, 33,167.20 and 8,974.40

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Solution

The fourth proportional to 22,128.32, 33,167.20 and 8,974.40 is: 13,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.32 : 33,167.20 = 8,974.40 : x
  2. Step 2: Convert to fraction form
    22,128.32/33,167.20 = 8,974.40/x
  3. Step 3: Cross multiply
    22,128.32x = 33,167.20 × 8,974.40
  4. Step 4: Simplify right side
    22,128.32x = 297,655,719.68
  5. Step 5: Solve for x
    x = 297,655,719.68/22,128.32
  6. Step 6: Final answer
    x = 13,451.35

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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.