Home / 17,930.60-24,742.32-9,971.54

Finding the Fourth Proportional to 17,930.60, 24,742.32 and 9,971.54

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Solution

The fourth proportional to 17,930.60, 24,742.32 and 9,971.54 is: 13,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.60 : 24,742.32 = 9,971.54 : x
  2. Step 2: Convert to fraction form
    17,930.60/24,742.32 = 9,971.54/x
  3. Step 3: Cross multiply
    17,930.60x = 24,742.32 × 9,971.54
  4. Step 4: Simplify right side
    17,930.60x = 246,719,033.57
  5. Step 5: Solve for x
    x = 246,719,033.57/17,930.60
  6. Step 6: Final answer
    x = 13,759.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.