Home / 22,306.26-30,780.49-13,353.58

Finding the Fourth Proportional to 22,306.26, 30,780.49 and 13,353.58

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Solution

The fourth proportional to 22,306.26, 30,780.49 and 13,353.58 is: 18,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.26 : 30,780.49 = 13,353.58 : x
  2. Step 2: Convert to fraction form
    22,306.26/30,780.49 = 13,353.58/x
  3. Step 3: Cross multiply
    22,306.26x = 30,780.49 × 13,353.58
  4. Step 4: Simplify right side
    22,306.26x = 411,029,735.65
  5. Step 5: Solve for x
    x = 411,029,735.65/22,306.26
  6. Step 6: Final answer
    x = 18,426.65

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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.