Home / 17,110.30-25,665.45-13,999.90

Finding the Fourth Proportional to 17,110.30, 25,665.45 and 13,999.90

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Solution

The fourth proportional to 17,110.30, 25,665.45 and 13,999.90 is: 20,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.30 : 25,665.45 = 13,999.90 : x
  2. Step 2: Convert to fraction form
    17,110.30/25,665.45 = 13,999.90/x
  3. Step 3: Cross multiply
    17,110.30x = 25,665.45 × 13,999.90
  4. Step 4: Simplify right side
    17,110.30x = 359,313,733.46
  5. Step 5: Solve for x
    x = 359,313,733.46/17,110.30
  6. Step 6: Final answer
    x = 20,999.85

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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.