Home / 22,278.61-30,744.06-12,207.04

Finding the Fourth Proportional to 22,278.61, 30,744.06 and 12,207.04

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Solution

The fourth proportional to 22,278.61, 30,744.06 and 12,207.04 is: 16,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.61 : 30,744.06 = 12,207.04 : x
  2. Step 2: Convert to fraction form
    22,278.61/30,744.06 = 12,207.04/x
  3. Step 3: Cross multiply
    22,278.61x = 30,744.06 × 12,207.04
  4. Step 4: Simplify right side
    22,278.61x = 375,293,847.55
  5. Step 5: Solve for x
    x = 375,293,847.55/22,278.61
  6. Step 6: Final answer
    x = 16,845.48

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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.