Home / 10,218.42-15,327.61-2,822.86

Finding the Fourth Proportional to 10,218.42, 15,327.61 and 2,822.86

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Solution

The fourth proportional to 10,218.42, 15,327.61 and 2,822.86 is: 4,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.42 : 15,327.61 = 2,822.86 : x
  2. Step 2: Convert to fraction form
    10,218.42/15,327.61 = 2,822.86/x
  3. Step 3: Cross multiply
    10,218.42x = 15,327.61 × 2,822.86
  4. Step 4: Simplify right side
    10,218.42x = 43,267,606.41
  5. Step 5: Solve for x
    x = 43,267,606.41/10,218.42
  6. Step 6: Final answer
    x = 4,234.28

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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.