Home / 16,791.28-23,171.96-9,238.19

Finding the Fourth Proportional to 16,791.28, 23,171.96 and 9,238.19

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Solution

The fourth proportional to 16,791.28, 23,171.96 and 9,238.19 is: 12,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.28 : 23,171.96 = 9,238.19 : x
  2. Step 2: Convert to fraction form
    16,791.28/23,171.96 = 9,238.19/x
  3. Step 3: Cross multiply
    16,791.28x = 23,171.96 × 9,238.19
  4. Step 4: Simplify right side
    16,791.28x = 214,066,876.39
  5. Step 5: Solve for x
    x = 214,066,876.39/16,791.28
  6. Step 6: Final answer
    x = 12,748.70

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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.