Home / 22,008.50-30,371.78-12,577.04

Finding the Fourth Proportional to 22,008.50, 30,371.78 and 12,577.04

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Solution

The fourth proportional to 22,008.50, 30,371.78 and 12,577.04 is: 17,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.50 : 30,371.78 = 12,577.04 : x
  2. Step 2: Convert to fraction form
    22,008.50/30,371.78 = 12,577.04/x
  3. Step 3: Cross multiply
    22,008.50x = 30,371.78 × 12,577.04
  4. Step 4: Simplify right side
    22,008.50x = 381,987,091.93
  5. Step 5: Solve for x
    x = 381,987,091.93/22,008.50
  6. Step 6: Final answer
    x = 17,356.34

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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.