Home / 11,680.02-17,519.76-3,888.90

Finding the Fourth Proportional to 11,680.02, 17,519.76 and 3,888.90

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Solution

The fourth proportional to 11,680.02, 17,519.76 and 3,888.90 is: 5,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.02 : 17,519.76 = 3,888.90 : x
  2. Step 2: Convert to fraction form
    11,680.02/17,519.76 = 3,888.90/x
  3. Step 3: Cross multiply
    11,680.02x = 17,519.76 × 3,888.90
  4. Step 4: Simplify right side
    11,680.02x = 68,132,594.66
  5. Step 5: Solve for x
    x = 68,132,594.66/11,680.02
  6. Step 6: Final answer
    x = 5,833.26

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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.