Home / 24,780.30-34,196.83-13,449.80

Finding the Fourth Proportional to 24,780.30, 34,196.83 and 13,449.80

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Solution

The fourth proportional to 24,780.30, 34,196.83 and 13,449.80 is: 18,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,780.30 : 34,196.83 = 13,449.80 : x
  2. Step 2: Convert to fraction form
    24,780.30/34,196.83 = 13,449.80/x
  3. Step 3: Cross multiply
    24,780.30x = 34,196.83 × 13,449.80
  4. Step 4: Simplify right side
    24,780.30x = 459,940,383.64
  5. Step 5: Solve for x
    x = 459,940,383.64/24,780.30
  6. Step 6: Final answer
    x = 18,560.73

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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.