Home / 13,275.36-19,908.68-5,879.66

Finding the Fourth Proportional to 13,275.36, 19,908.68 and 5,879.66

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Solution

The fourth proportional to 13,275.36, 19,908.68 and 5,879.66 is: 8,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.36 : 19,908.68 = 5,879.66 : x
  2. Step 2: Convert to fraction form
    13,275.36/19,908.68 = 5,879.66/x
  3. Step 3: Cross multiply
    13,275.36x = 19,908.68 × 5,879.66
  4. Step 4: Simplify right side
    13,275.36x = 117,056,269.45
  5. Step 5: Solve for x
    x = 117,056,269.45/13,275.36
  6. Step 6: Final answer
    x = 8,817.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.