Home / 10,188.33-15,284.79-3,614.51

Finding the Fourth Proportional to 10,188.33, 15,284.79 and 3,614.51

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Solution

The fourth proportional to 10,188.33, 15,284.79 and 3,614.51 is: 5,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.33 : 15,284.79 = 3,614.51 : x
  2. Step 2: Convert to fraction form
    10,188.33/15,284.79 = 3,614.51/x
  3. Step 3: Cross multiply
    10,188.33x = 15,284.79 × 3,614.51
  4. Step 4: Simplify right side
    10,188.33x = 55,246,949.88
  5. Step 5: Solve for x
    x = 55,246,949.88/10,188.33
  6. Step 6: Final answer
    x = 5,422.57

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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.