Home / 11,938.97-16,475.46-6,633.65

Finding the Fourth Proportional to 11,938.97, 16,475.46 and 6,633.65

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Solution

The fourth proportional to 11,938.97, 16,475.46 and 6,633.65 is: 9,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.97 : 16,475.46 = 6,633.65 : x
  2. Step 2: Convert to fraction form
    11,938.97/16,475.46 = 6,633.65/x
  3. Step 3: Cross multiply
    11,938.97x = 16,475.46 × 6,633.65
  4. Step 4: Simplify right side
    11,938.97x = 109,292,451.54
  5. Step 5: Solve for x
    x = 109,292,451.54/11,938.97
  6. Step 6: Final answer
    x = 9,154.26

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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.