Home / 10,233.80-15,330.61-5,306.70

Finding the Fourth Proportional to 10,233.80, 15,330.61 and 5,306.70

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Solution

The fourth proportional to 10,233.80, 15,330.61 and 5,306.70 is: 7,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.80 : 15,330.61 = 5,306.70 : x
  2. Step 2: Convert to fraction form
    10,233.80/15,330.61 = 5,306.70/x
  3. Step 3: Cross multiply
    10,233.80x = 15,330.61 × 5,306.70
  4. Step 4: Simplify right side
    10,233.80x = 81,354,948.09
  5. Step 5: Solve for x
    x = 81,354,948.09/10,233.80
  6. Step 6: Final answer
    x = 7,949.63

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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.