Home / 9,717.80-14,578.14-3,141.80

Finding the Fourth Proportional to 9,717.80, 14,578.14 and 3,141.80

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Solution

The fourth proportional to 9,717.80, 14,578.14 and 3,141.80 is: 4,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.80 : 14,578.14 = 3,141.80 : x
  2. Step 2: Convert to fraction form
    9,717.80/14,578.14 = 3,141.80/x
  3. Step 3: Cross multiply
    9,717.80x = 14,578.14 × 3,141.80
  4. Step 4: Simplify right side
    9,717.80x = 45,801,600.25
  5. Step 5: Solve for x
    x = 45,801,600.25/9,717.80
  6. Step 6: Final answer
    x = 4,713.17

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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.