Home / 17,979.93-26,973.29-8,119.17

Finding the Fourth Proportional to 17,979.93, 26,973.29 and 8,119.17

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Solution

The fourth proportional to 17,979.93, 26,973.29 and 8,119.17 is: 12,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.93 : 26,973.29 = 8,119.17 : x
  2. Step 2: Convert to fraction form
    17,979.93/26,973.29 = 8,119.17/x
  3. Step 3: Cross multiply
    17,979.93x = 26,973.29 × 8,119.17
  4. Step 4: Simplify right side
    17,979.93x = 219,000,747.27
  5. Step 5: Solve for x
    x = 219,000,747.27/17,979.93
  6. Step 6: Final answer
    x = 12,180.29

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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.