Home / 17,821.62-26,731.22-6,143.04

Finding the Fourth Proportional to 17,821.62, 26,731.22 and 6,143.04

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Solution

The fourth proportional to 17,821.62, 26,731.22 and 6,143.04 is: 9,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.62 : 26,731.22 = 6,143.04 : x
  2. Step 2: Convert to fraction form
    17,821.62/26,731.22 = 6,143.04/x
  3. Step 3: Cross multiply
    17,821.62x = 26,731.22 × 6,143.04
  4. Step 4: Simplify right side
    17,821.62x = 164,210,922.99
  5. Step 5: Solve for x
    x = 164,210,922.99/17,821.62
  6. Step 6: Final answer
    x = 9,214.14

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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.