Home / 10,422.77-15,634.30-3,402.75

Finding the Fourth Proportional to 10,422.77, 15,634.30 and 3,402.75

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Solution

The fourth proportional to 10,422.77, 15,634.30 and 3,402.75 is: 5,104.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.77 : 15,634.30 = 3,402.75 : x
  2. Step 2: Convert to fraction form
    10,422.77/15,634.30 = 3,402.75/x
  3. Step 3: Cross multiply
    10,422.77x = 15,634.30 × 3,402.75
  4. Step 4: Simplify right side
    10,422.77x = 53,199,614.33
  5. Step 5: Solve for x
    x = 53,199,614.33/10,422.77
  6. Step 6: Final answer
    x = 5,104.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.