Home / 17,222.47-25,828.20-6,691.75

Finding the Fourth Proportional to 17,222.47, 25,828.20 and 6,691.75

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Solution

The fourth proportional to 17,222.47, 25,828.20 and 6,691.75 is: 10,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.47 : 25,828.20 = 6,691.75 : x
  2. Step 2: Convert to fraction form
    17,222.47/25,828.20 = 6,691.75/x
  3. Step 3: Cross multiply
    17,222.47x = 25,828.20 × 6,691.75
  4. Step 4: Simplify right side
    17,222.47x = 172,835,857.35
  5. Step 5: Solve for x
    x = 172,835,857.35/17,222.47
  6. Step 6: Final answer
    x = 10,035.49

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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.