Home / 15,310.05-22,965.08-4,921.80

Finding the Fourth Proportional to 15,310.05, 22,965.08 and 4,921.80

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Solution

The fourth proportional to 15,310.05, 22,965.08 and 4,921.80 is: 7,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.05 : 22,965.08 = 4,921.80 : x
  2. Step 2: Convert to fraction form
    15,310.05/22,965.08 = 4,921.80/x
  3. Step 3: Cross multiply
    15,310.05x = 22,965.08 × 4,921.80
  4. Step 4: Simplify right side
    15,310.05x = 113,029,648.39
  5. Step 5: Solve for x
    x = 113,029,648.39/15,310.05
  6. Step 6: Final answer
    x = 7,382.71

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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.