Home / 13,344.13-20,019.03-3,984.88

Finding the Fourth Proportional to 13,344.13, 20,019.03 and 3,984.88

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Solution

The fourth proportional to 13,344.13, 20,019.03 and 3,984.88 is: 5,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.13 : 20,019.03 = 3,984.88 : x
  2. Step 2: Convert to fraction form
    13,344.13/20,019.03 = 3,984.88/x
  3. Step 3: Cross multiply
    13,344.13x = 20,019.03 × 3,984.88
  4. Step 4: Simplify right side
    13,344.13x = 79,773,332.17
  5. Step 5: Solve for x
    x = 79,773,332.17/13,344.13
  6. Step 6: Final answer
    x = 5,978.16

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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.