Home / 17,911.67-26,869.19-6,815.34

Finding the Fourth Proportional to 17,911.67, 26,869.19 and 6,815.34

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Solution

The fourth proportional to 17,911.67, 26,869.19 and 6,815.34 is: 10,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.67 : 26,869.19 = 6,815.34 : x
  2. Step 2: Convert to fraction form
    17,911.67/26,869.19 = 6,815.34/x
  3. Step 3: Cross multiply
    17,911.67x = 26,869.19 × 6,815.34
  4. Step 4: Simplify right side
    17,911.67x = 183,122,631.30
  5. Step 5: Solve for x
    x = 183,122,631.30/17,911.67
  6. Step 6: Final answer
    x = 10,223.65

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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.