Home / 22,904.40-34,360.65-8,121.90

Finding the Fourth Proportional to 22,904.40, 34,360.65 and 8,121.90

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Solution

The fourth proportional to 22,904.40, 34,360.65 and 8,121.90 is: 12,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.40 : 34,360.65 = 8,121.90 : x
  2. Step 2: Convert to fraction form
    22,904.40/34,360.65 = 8,121.90/x
  3. Step 3: Cross multiply
    22,904.40x = 34,360.65 × 8,121.90
  4. Step 4: Simplify right side
    22,904.40x = 279,073,763.24
  5. Step 5: Solve for x
    x = 279,073,763.24/22,904.40
  6. Step 6: Final answer
    x = 12,184.29

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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.