Home / 18,256.72-27,365.10-7,161.52

Finding the Fourth Proportional to 18,256.72, 27,365.10 and 7,161.52

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Solution

The fourth proportional to 18,256.72, 27,365.10 and 7,161.52 is: 10,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.72 : 27,365.10 = 7,161.52 : x
  2. Step 2: Convert to fraction form
    18,256.72/27,365.10 = 7,161.52/x
  3. Step 3: Cross multiply
    18,256.72x = 27,365.10 × 7,161.52
  4. Step 4: Simplify right side
    18,256.72x = 195,975,710.95
  5. Step 5: Solve for x
    x = 195,975,710.95/18,256.72
  6. Step 6: Final answer
    x = 10,734.44

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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.