Home / 11,988.14-17,982.18-4,195.13

Finding the Fourth Proportional to 11,988.14, 17,982.18 and 4,195.13

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Solution

The fourth proportional to 11,988.14, 17,982.18 and 4,195.13 is: 6,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.14 : 17,982.18 = 4,195.13 : x
  2. Step 2: Convert to fraction form
    11,988.14/17,982.18 = 4,195.13/x
  3. Step 3: Cross multiply
    11,988.14x = 17,982.18 × 4,195.13
  4. Step 4: Simplify right side
    11,988.14x = 75,437,492.87
  5. Step 5: Solve for x
    x = 75,437,492.87/11,988.14
  6. Step 6: Final answer
    x = 6,292.68

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1.5x scale

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.