Home / 17,987.38-26,962.62-6,891.22

Finding the Fourth Proportional to 17,987.38, 26,962.62 and 6,891.22

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Solution

The fourth proportional to 17,987.38, 26,962.62 and 6,891.22 is: 10,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.38 : 26,962.62 = 6,891.22 : x
  2. Step 2: Convert to fraction form
    17,987.38/26,962.62 = 6,891.22/x
  3. Step 3: Cross multiply
    17,987.38x = 26,962.62 × 6,891.22
  4. Step 4: Simplify right side
    17,987.38x = 185,805,346.20
  5. Step 5: Solve for x
    x = 185,805,346.20/17,987.38
  6. Step 6: Final answer
    x = 10,329.76

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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.