Home / 9,306.89-13,960.55-2,381.39

Finding the Fourth Proportional to 9,306.89, 13,960.55 and 2,381.39

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Solution

The fourth proportional to 9,306.89, 13,960.55 and 2,381.39 is: 3,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.89 : 13,960.55 = 2,381.39 : x
  2. Step 2: Convert to fraction form
    9,306.89/13,960.55 = 2,381.39/x
  3. Step 3: Cross multiply
    9,306.89x = 13,960.55 × 2,381.39
  4. Step 4: Simplify right side
    9,306.89x = 33,245,514.16
  5. Step 5: Solve for x
    x = 33,245,514.16/9,306.89
  6. Step 6: Final answer
    x = 3,572.14

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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.