Home / 11,982.26-16,535.52-6,678.11

Finding the Fourth Proportional to 11,982.26, 16,535.52 and 6,678.11

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Solution

The fourth proportional to 11,982.26, 16,535.52 and 6,678.11 is: 9,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.26 : 16,535.52 = 6,678.11 : x
  2. Step 2: Convert to fraction form
    11,982.26/16,535.52 = 6,678.11/x
  3. Step 3: Cross multiply
    11,982.26x = 16,535.52 × 6,678.11
  4. Step 4: Simplify right side
    11,982.26x = 110,425,938.79
  5. Step 5: Solve for x
    x = 110,425,938.79/11,982.26
  6. Step 6: Final answer
    x = 9,215.79

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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.