Home / 11,394.13-17,098.78-4,379.93

Finding the Fourth Proportional to 11,394.13, 17,098.78 and 4,379.93

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Solution

The fourth proportional to 11,394.13, 17,098.78 and 4,379.93 is: 6,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.13 : 17,098.78 = 4,379.93 : x
  2. Step 2: Convert to fraction form
    11,394.13/17,098.78 = 4,379.93/x
  3. Step 3: Cross multiply
    11,394.13x = 17,098.78 × 4,379.93
  4. Step 4: Simplify right side
    11,394.13x = 74,891,459.49
  5. Step 5: Solve for x
    x = 74,891,459.49/11,394.13
  6. Step 6: Final answer
    x = 6,572.81

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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.