Home / 17,824.03-26,735.49-8,470.78

Finding the Fourth Proportional to 17,824.03, 26,735.49 and 8,470.78

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Solution

The fourth proportional to 17,824.03, 26,735.49 and 8,470.78 is: 12,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,824.03 : 26,735.49 = 8,470.78 : x
  2. Step 2: Convert to fraction form
    17,824.03/26,735.49 = 8,470.78/x
  3. Step 3: Cross multiply
    17,824.03x = 26,735.49 × 8,470.78
  4. Step 4: Simplify right side
    17,824.03x = 226,470,387.14
  5. Step 5: Solve for x
    x = 226,470,387.14/17,824.03
  6. Step 6: Final answer
    x = 12,705.90

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1.5x scale

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.