Home / 12,569.62-18,851.30-4,249.45

Finding the Fourth Proportional to 12,569.62, 18,851.30 and 4,249.45

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Solution

The fourth proportional to 12,569.62, 18,851.30 and 4,249.45 is: 6,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.62 : 18,851.30 = 4,249.45 : x
  2. Step 2: Convert to fraction form
    12,569.62/18,851.30 = 4,249.45/x
  3. Step 3: Cross multiply
    12,569.62x = 18,851.30 × 4,249.45
  4. Step 4: Simplify right side
    12,569.62x = 80,107,656.79
  5. Step 5: Solve for x
    x = 80,107,656.79/12,569.62
  6. Step 6: Final answer
    x = 6,373.12

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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.