Home / 11,518.85-17,275.19-7,104.02

Finding the Fourth Proportional to 11,518.85, 17,275.19 and 7,104.02

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Solution

The fourth proportional to 11,518.85, 17,275.19 and 7,104.02 is: 10,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.85 : 17,275.19 = 7,104.02 : x
  2. Step 2: Convert to fraction form
    11,518.85/17,275.19 = 7,104.02/x
  3. Step 3: Cross multiply
    11,518.85x = 17,275.19 × 7,104.02
  4. Step 4: Simplify right side
    11,518.85x = 122,723,226.65
  5. Step 5: Solve for x
    x = 122,723,226.65/11,518.85
  6. Step 6: Final answer
    x = 10,654.12

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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.