Home / 11,947.36-17,922.48-5,020.96

Finding the Fourth Proportional to 11,947.36, 17,922.48 and 5,020.96

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Solution

The fourth proportional to 11,947.36, 17,922.48 and 5,020.96 is: 7,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.36 : 17,922.48 = 5,020.96 : x
  2. Step 2: Convert to fraction form
    11,947.36/17,922.48 = 5,020.96/x
  3. Step 3: Cross multiply
    11,947.36x = 17,922.48 × 5,020.96
  4. Step 4: Simplify right side
    11,947.36x = 89,988,055.18
  5. Step 5: Solve for x
    x = 89,988,055.18/11,947.36
  6. Step 6: Final answer
    x = 7,532.05

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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.