Home / 9,291.13-13,930.46-3,663.65

Finding the Fourth Proportional to 9,291.13, 13,930.46 and 3,663.65

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Solution

The fourth proportional to 9,291.13, 13,930.46 and 3,663.65 is: 5,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.13 : 13,930.46 = 3,663.65 : x
  2. Step 2: Convert to fraction form
    9,291.13/13,930.46 = 3,663.65/x
  3. Step 3: Cross multiply
    9,291.13x = 13,930.46 × 3,663.65
  4. Step 4: Simplify right side
    9,291.13x = 51,036,329.78
  5. Step 5: Solve for x
    x = 51,036,329.78/9,291.13
  6. Step 6: Final answer
    x = 5,493.02

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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.