Home / 13,234.80-19,839.60-4,465.20

Finding the Fourth Proportional to 13,234.80, 19,839.60 and 4,465.20

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Solution

The fourth proportional to 13,234.80, 19,839.60 and 4,465.20 is: 6,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.80 : 19,839.60 = 4,465.20 : x
  2. Step 2: Convert to fraction form
    13,234.80/19,839.60 = 4,465.20/x
  3. Step 3: Cross multiply
    13,234.80x = 19,839.60 × 4,465.20
  4. Step 4: Simplify right side
    13,234.80x = 88,587,781.92
  5. Step 5: Solve for x
    x = 88,587,781.92/13,234.80
  6. Step 6: Final answer
    x = 6,693.55

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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.