Home / 13,248.65-19,872.77-3,387.84

Finding the Fourth Proportional to 13,248.65, 19,872.77 and 3,387.84

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Solution

The fourth proportional to 13,248.65, 19,872.77 and 3,387.84 is: 5,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.65 : 19,872.77 = 3,387.84 : x
  2. Step 2: Convert to fraction form
    13,248.65/19,872.77 = 3,387.84/x
  3. Step 3: Cross multiply
    13,248.65x = 19,872.77 × 3,387.84
  4. Step 4: Simplify right side
    13,248.65x = 67,325,748.18
  5. Step 5: Solve for x
    x = 67,325,748.18/13,248.65
  6. Step 6: Final answer
    x = 5,081.71

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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.