Home / 10,218.39-15,327.43-2,822.68

Finding the Fourth Proportional to 10,218.39, 15,327.43 and 2,822.68

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Solution

The fourth proportional to 10,218.39, 15,327.43 and 2,822.68 is: 4,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.39 : 15,327.43 = 2,822.68 : x
  2. Step 2: Convert to fraction form
    10,218.39/15,327.43 = 2,822.68/x
  3. Step 3: Cross multiply
    10,218.39x = 15,327.43 × 2,822.68
  4. Step 4: Simplify right side
    10,218.39x = 43,264,442.21
  5. Step 5: Solve for x
    x = 43,264,442.21/10,218.39
  6. Step 6: Final answer
    x = 4,233.98

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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.