Home / 15,579.89-23,351.20-9,245.89

Finding the Fourth Proportional to 15,579.89, 23,351.20 and 9,245.89

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Solution

The fourth proportional to 15,579.89, 23,351.20 and 9,245.89 is: 13,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.89 : 23,351.20 = 9,245.89 : x
  2. Step 2: Convert to fraction form
    15,579.89/23,351.20 = 9,245.89/x
  3. Step 3: Cross multiply
    15,579.89x = 23,351.20 × 9,245.89
  4. Step 4: Simplify right side
    15,579.89x = 215,902,545.08
  5. Step 5: Solve for x
    x = 215,902,545.08/15,579.89
  6. Step 6: Final answer
    x = 13,857.78

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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.