Home / 22,759.76-34,095.90-12,869.66

Finding the Fourth Proportional to 22,759.76, 34,095.90 and 12,869.66

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Solution

The fourth proportional to 22,759.76, 34,095.90 and 12,869.66 is: 19,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.76 : 34,095.90 = 12,869.66 : x
  2. Step 2: Convert to fraction form
    22,759.76/34,095.90 = 12,869.66/x
  3. Step 3: Cross multiply
    22,759.76x = 34,095.90 × 12,869.66
  4. Step 4: Simplify right side
    22,759.76x = 438,802,640.39
  5. Step 5: Solve for x
    x = 438,802,640.39/22,759.76
  6. Step 6: Final answer
    x = 19,279.76

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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.