Home / 10,044.79-15,067.26-2,649.20

Finding the Fourth Proportional to 10,044.79, 15,067.26 and 2,649.20

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Solution

The fourth proportional to 10,044.79, 15,067.26 and 2,649.20 is: 3,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,044.79 : 15,067.26 = 2,649.20 : x
  2. Step 2: Convert to fraction form
    10,044.79/15,067.26 = 2,649.20/x
  3. Step 3: Cross multiply
    10,044.79x = 15,067.26 × 2,649.20
  4. Step 4: Simplify right side
    10,044.79x = 39,916,109.86
  5. Step 5: Solve for x
    x = 39,916,109.86/10,044.79
  6. Step 6: Final answer
    x = 3,973.81

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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.