Home / 17,187.50-25,781.21-4,707.62

Finding the Fourth Proportional to 17,187.50, 25,781.21 and 4,707.62

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Solution

The fourth proportional to 17,187.50, 25,781.21 and 4,707.62 is: 7,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.50 : 25,781.21 = 4,707.62 : x
  2. Step 2: Convert to fraction form
    17,187.50/25,781.21 = 4,707.62/x
  3. Step 3: Cross multiply
    17,187.50x = 25,781.21 × 4,707.62
  4. Step 4: Simplify right side
    17,187.50x = 121,368,139.82
  5. Step 5: Solve for x
    x = 121,368,139.82/17,187.50
  6. Step 6: Final answer
    x = 7,061.42

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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.