Home / 11,654.80-17,479.70-3,758.02

Finding the Fourth Proportional to 11,654.80, 17,479.70 and 3,758.02

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Solution

The fourth proportional to 11,654.80, 17,479.70 and 3,758.02 is: 5,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,654.80 : 17,479.70 = 3,758.02 : x
  2. Step 2: Convert to fraction form
    11,654.80/17,479.70 = 3,758.02/x
  3. Step 3: Cross multiply
    11,654.80x = 17,479.70 × 3,758.02
  4. Step 4: Simplify right side
    11,654.80x = 65,689,062.19
  5. Step 5: Solve for x
    x = 65,689,062.19/11,654.80
  6. Step 6: Final answer
    x = 5,636.22

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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.