Home / 17,975.64-26,972.04-8,117.94

Finding the Fourth Proportional to 17,975.64, 26,972.04 and 8,117.94

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Solution

The fourth proportional to 17,975.64, 26,972.04 and 8,117.94 is: 12,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,975.64 : 26,972.04 = 8,117.94 : x
  2. Step 2: Convert to fraction form
    17,975.64/26,972.04 = 8,117.94/x
  3. Step 3: Cross multiply
    17,975.64x = 26,972.04 × 8,117.94
  4. Step 4: Simplify right side
    17,975.64x = 218,957,402.40
  5. Step 5: Solve for x
    x = 218,957,402.40/17,975.64
  6. Step 6: Final answer
    x = 12,180.78

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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.