Home / 13,182.80-19,756.92-5,382.68

Finding the Fourth Proportional to 13,182.80, 19,756.92 and 5,382.68

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Solution

The fourth proportional to 13,182.80, 19,756.92 and 5,382.68 is: 8,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.80 : 19,756.92 = 5,382.68 : x
  2. Step 2: Convert to fraction form
    13,182.80/19,756.92 = 5,382.68/x
  3. Step 3: Cross multiply
    13,182.80x = 19,756.92 × 5,382.68
  4. Step 4: Simplify right side
    13,182.80x = 106,345,178.15
  5. Step 5: Solve for x
    x = 106,345,178.15/13,182.80
  6. Step 6: Final answer
    x = 8,066.96

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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.