Home / 22,224.11-30,671.33-12,666.92

Finding the Fourth Proportional to 22,224.11, 30,671.33 and 12,666.92

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Solution

The fourth proportional to 22,224.11, 30,671.33 and 12,666.92 is: 17,481.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.11 : 30,671.33 = 12,666.92 : x
  2. Step 2: Convert to fraction form
    22,224.11/30,671.33 = 12,666.92/x
  3. Step 3: Cross multiply
    22,224.11x = 30,671.33 × 12,666.92
  4. Step 4: Simplify right side
    22,224.11x = 388,511,066.71
  5. Step 5: Solve for x
    x = 388,511,066.71/22,224.11
  6. Step 6: Final answer
    x = 17,481.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.