Home / 10,277.20-15,418.48-2,881.68

Finding the Fourth Proportional to 10,277.20, 15,418.48 and 2,881.68

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Solution

The fourth proportional to 10,277.20, 15,418.48 and 2,881.68 is: 4,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.20 : 15,418.48 = 2,881.68 : x
  2. Step 2: Convert to fraction form
    10,277.20/15,418.48 = 2,881.68/x
  3. Step 3: Cross multiply
    10,277.20x = 15,418.48 × 2,881.68
  4. Step 4: Simplify right side
    10,277.20x = 44,431,125.45
  5. Step 5: Solve for x
    x = 44,431,125.45/10,277.20
  6. Step 6: Final answer
    x = 4,323.27

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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.