Home / 10,247.60-15,370.49-2,851.89

Finding the Fourth Proportional to 10,247.60, 15,370.49 and 2,851.89

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Solution

The fourth proportional to 10,247.60, 15,370.49 and 2,851.89 is: 4,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.60 : 15,370.49 = 2,851.89 : x
  2. Step 2: Convert to fraction form
    10,247.60/15,370.49 = 2,851.89/x
  3. Step 3: Cross multiply
    10,247.60x = 15,370.49 × 2,851.89
  4. Step 4: Simplify right side
    10,247.60x = 43,834,932.47
  5. Step 5: Solve for x
    x = 43,834,932.47/10,247.60
  6. Step 6: Final answer
    x = 4,277.58

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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.