Home / 13,231.38-18,259.45-7,262.92

Finding the Fourth Proportional to 13,231.38, 18,259.45 and 7,262.92

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Solution

The fourth proportional to 13,231.38, 18,259.45 and 7,262.92 is: 10,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.38 : 18,259.45 = 7,262.92 : x
  2. Step 2: Convert to fraction form
    13,231.38/18,259.45 = 7,262.92/x
  3. Step 3: Cross multiply
    13,231.38x = 18,259.45 × 7,262.92
  4. Step 4: Simplify right side
    13,231.38x = 132,616,846.98
  5. Step 5: Solve for x
    x = 132,616,846.98/13,231.38
  6. Step 6: Final answer
    x = 10,022.91

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Half scale
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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.