Home / 22,920.60-34,376.10-11,242.20

Finding the Fourth Proportional to 22,920.60, 34,376.10 and 11,242.20

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Solution

The fourth proportional to 22,920.60, 34,376.10 and 11,242.20 is: 16,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.60 : 34,376.10 = 11,242.20 : x
  2. Step 2: Convert to fraction form
    22,920.60/34,376.10 = 11,242.20/x
  3. Step 3: Cross multiply
    22,920.60x = 34,376.10 × 11,242.20
  4. Step 4: Simplify right side
    22,920.60x = 386,462,991.42
  5. Step 5: Solve for x
    x = 386,462,991.42/22,920.60
  6. Step 6: Final answer
    x = 16,860.95

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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.