Home / 10,422.76-15,634.32-3,402.86

Finding the Fourth Proportional to 10,422.76, 15,634.32 and 3,402.86

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Solution

The fourth proportional to 10,422.76, 15,634.32 and 3,402.86 is: 5,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.76 : 15,634.32 = 3,402.86 : x
  2. Step 2: Convert to fraction form
    10,422.76/15,634.32 = 3,402.86/x
  3. Step 3: Cross multiply
    10,422.76x = 15,634.32 × 3,402.86
  4. Step 4: Simplify right side
    10,422.76x = 53,201,402.16
  5. Step 5: Solve for x
    x = 53,201,402.16/10,422.76
  6. Step 6: Final answer
    x = 5,104.35

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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.