Home / 12,569.80-18,851.59-4,249.64

Finding the Fourth Proportional to 12,569.80, 18,851.59 and 4,249.64

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Solution

The fourth proportional to 12,569.80, 18,851.59 and 4,249.64 is: 6,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.80 : 18,851.59 = 4,249.64 : x
  2. Step 2: Convert to fraction form
    12,569.80/18,851.59 = 4,249.64/x
  3. Step 3: Cross multiply
    12,569.80x = 18,851.59 × 4,249.64
  4. Step 4: Simplify right side
    12,569.80x = 80,112,470.93
  5. Step 5: Solve for x
    x = 80,112,470.93/12,569.80
  6. Step 6: Final answer
    x = 6,373.41

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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.