Home / 17,865.04-26,802-12,610.30

Finding the Fourth Proportional to 17,865.04, 26,802 and 12,610.30

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Solution

The fourth proportional to 17,865.04, 26,802 and 12,610.30 is: 18,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.04 : 26,802 = 12,610.30 : x
  2. Step 2: Convert to fraction form
    17,865.04/26,802 = 12,610.30/x
  3. Step 3: Cross multiply
    17,865.04x = 26,802 × 12,610.30
  4. Step 4: Simplify right side
    17,865.04x = 337,981,260.60
  5. Step 5: Solve for x
    x = 337,981,260.60/17,865.04
  6. Step 6: Final answer
    x = 18,918.58

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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.