Home / 10,434.82-15,652.95-3,860.86

Finding the Fourth Proportional to 10,434.82, 15,652.95 and 3,860.86

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Solution

The fourth proportional to 10,434.82, 15,652.95 and 3,860.86 is: 5,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.82 : 15,652.95 = 3,860.86 : x
  2. Step 2: Convert to fraction form
    10,434.82/15,652.95 = 3,860.86/x
  3. Step 3: Cross multiply
    10,434.82x = 15,652.95 × 3,860.86
  4. Step 4: Simplify right side
    10,434.82x = 60,433,848.54
  5. Step 5: Solve for x
    x = 60,433,848.54/10,434.82
  6. Step 6: Final answer
    x = 5,791.56

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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.