Home / 17,749.05-24,494.42-9,791.78

Finding the Fourth Proportional to 17,749.05, 24,494.42 and 9,791.78

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Solution

The fourth proportional to 17,749.05, 24,494.42 and 9,791.78 is: 13,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,749.05 : 24,494.42 = 9,791.78 : x
  2. Step 2: Convert to fraction form
    17,749.05/24,494.42 = 9,791.78/x
  3. Step 3: Cross multiply
    17,749.05x = 24,494.42 × 9,791.78
  4. Step 4: Simplify right side
    17,749.05x = 239,843,800.44
  5. Step 5: Solve for x
    x = 239,843,800.44/17,749.05
  6. Step 6: Final answer
    x = 13,513.05

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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.