Home / 13,761.88-20,643.21-3,373.62

Finding the Fourth Proportional to 13,761.88, 20,643.21 and 3,373.62

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Solution

The fourth proportional to 13,761.88, 20,643.21 and 3,373.62 is: 5,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.88 : 20,643.21 = 3,373.62 : x
  2. Step 2: Convert to fraction form
    13,761.88/20,643.21 = 3,373.62/x
  3. Step 3: Cross multiply
    13,761.88x = 20,643.21 × 3,373.62
  4. Step 4: Simplify right side
    13,761.88x = 69,642,346.12
  5. Step 5: Solve for x
    x = 69,642,346.12/13,761.88
  6. Step 6: Final answer
    x = 5,060.53

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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.