Home / 11,988.53-17,982.80-4,195.52

Finding the Fourth Proportional to 11,988.53, 17,982.80 and 4,195.52

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Solution

The fourth proportional to 11,988.53, 17,982.80 and 4,195.52 is: 6,293.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988.53 : 17,982.80 = 4,195.52 : x
  2. Step 2: Convert to fraction form
    11,988.53/17,982.80 = 4,195.52/x
  3. Step 3: Cross multiply
    11,988.53x = 17,982.80 × 4,195.52
  4. Step 4: Simplify right side
    11,988.53x = 75,447,176.08
  5. Step 5: Solve for x
    x = 75,447,176.08/11,988.53
  6. Step 6: Final answer
    x = 6,293.28

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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.