Home / 12,568.62-18,849.81-4,248.45

Finding the Fourth Proportional to 12,568.62, 18,849.81 and 4,248.45

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Solution

The fourth proportional to 12,568.62, 18,849.81 and 4,248.45 is: 6,371.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.62 : 18,849.81 = 4,248.45 : x
  2. Step 2: Convert to fraction form
    12,568.62/18,849.81 = 4,248.45/x
  3. Step 3: Cross multiply
    12,568.62x = 18,849.81 × 4,248.45
  4. Step 4: Simplify right side
    12,568.62x = 80,082,454.05
  5. Step 5: Solve for x
    x = 80,082,454.05/12,568.62
  6. Step 6: Final answer
    x = 6,371.62

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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.