Home / 11,374.47-17,061.75-3,978.95

Finding the Fourth Proportional to 11,374.47, 17,061.75 and 3,978.95

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Solution

The fourth proportional to 11,374.47, 17,061.75 and 3,978.95 is: 5,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.47 : 17,061.75 = 3,978.95 : x
  2. Step 2: Convert to fraction form
    11,374.47/17,061.75 = 3,978.95/x
  3. Step 3: Cross multiply
    11,374.47x = 17,061.75 × 3,978.95
  4. Step 4: Simplify right side
    11,374.47x = 67,887,764.85
  5. Step 5: Solve for x
    x = 67,887,764.85/11,374.47
  6. Step 6: Final answer
    x = 5,968.43

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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.