Home / 17,996.85-26,966.79-10,979.96

Finding the Fourth Proportional to 17,996.85, 26,966.79 and 10,979.96

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Solution

The fourth proportional to 17,996.85, 26,966.79 and 10,979.96 is: 16,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.85 : 26,966.79 = 10,979.96 : x
  2. Step 2: Convert to fraction form
    17,996.85/26,966.79 = 10,979.96/x
  3. Step 3: Cross multiply
    17,996.85x = 26,966.79 × 10,979.96
  4. Step 4: Simplify right side
    17,996.85x = 296,094,140.69
  5. Step 5: Solve for x
    x = 296,094,140.69/17,996.85
  6. Step 6: Final answer
    x = 16,452.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.