Home / 17,982.72-26,981.76-9,660.48

Finding the Fourth Proportional to 17,982.72, 26,981.76 and 9,660.48

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Solution

The fourth proportional to 17,982.72, 26,981.76 and 9,660.48 is: 14,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.72 : 26,981.76 = 9,660.48 : x
  2. Step 2: Convert to fraction form
    17,982.72/26,981.76 = 9,660.48/x
  3. Step 3: Cross multiply
    17,982.72x = 26,981.76 × 9,660.48
  4. Step 4: Simplify right side
    17,982.72x = 260,656,752.84
  5. Step 5: Solve for x
    x = 260,656,752.84/17,982.72
  6. Step 6: Final answer
    x = 14,494.85

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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.