Home / 11,679.26-17,519.02-3,888.06

Finding the Fourth Proportional to 11,679.26, 17,519.02 and 3,888.06

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Solution

The fourth proportional to 11,679.26, 17,519.02 and 3,888.06 is: 5,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.26 : 17,519.02 = 3,888.06 : x
  2. Step 2: Convert to fraction form
    11,679.26/17,519.02 = 3,888.06/x
  3. Step 3: Cross multiply
    11,679.26x = 17,519.02 × 3,888.06
  4. Step 4: Simplify right side
    11,679.26x = 68,115,000.90
  5. Step 5: Solve for x
    x = 68,115,000.90/11,679.26
  6. Step 6: Final answer
    x = 5,832.13

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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.