Home / 17,919.19-24,729.32-9,961.54

Finding the Fourth Proportional to 17,919.19, 24,729.32 and 9,961.54

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Solution

The fourth proportional to 17,919.19, 24,729.32 and 9,961.54 is: 13,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.19 : 24,729.32 = 9,961.54 : x
  2. Step 2: Convert to fraction form
    17,919.19/24,729.32 = 9,961.54/x
  3. Step 3: Cross multiply
    17,919.19x = 24,729.32 × 9,961.54
  4. Step 4: Simplify right side
    17,919.19x = 246,341,936.90
  5. Step 5: Solve for x
    x = 246,341,936.90/17,919.19
  6. Step 6: Final answer
    x = 13,747.39

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1.5x scale

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.