Home / 22,759.04-34,143.20-12,902.72

Finding the Fourth Proportional to 22,759.04, 34,143.20 and 12,902.72

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Solution

The fourth proportional to 22,759.04, 34,143.20 and 12,902.72 is: 19,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.04 : 34,143.20 = 12,902.72 : x
  2. Step 2: Convert to fraction form
    22,759.04/34,143.20 = 12,902.72/x
  3. Step 3: Cross multiply
    22,759.04x = 34,143.20 × 12,902.72
  4. Step 4: Simplify right side
    22,759.04x = 440,540,149.50
  5. Step 5: Solve for x
    x = 440,540,149.50/22,759.04
  6. Step 6: Final answer
    x = 19,356.71

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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.