Home / 13,269.11-19,899.44-4,382.79

Finding the Fourth Proportional to 13,269.11, 19,899.44 and 4,382.79

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Solution

The fourth proportional to 13,269.11, 19,899.44 and 4,382.79 is: 6,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.11 : 19,899.44 = 4,382.79 : x
  2. Step 2: Convert to fraction form
    13,269.11/19,899.44 = 4,382.79/x
  3. Step 3: Cross multiply
    13,269.11x = 19,899.44 × 4,382.79
  4. Step 4: Simplify right side
    13,269.11x = 87,215,066.64
  5. Step 5: Solve for x
    x = 87,215,066.64/13,269.11
  6. Step 6: Final answer
    x = 6,572.79

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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.