Home / 10,342.52-15,514.28-2,947.49

Finding the Fourth Proportional to 10,342.52, 15,514.28 and 2,947.49

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Solution

The fourth proportional to 10,342.52, 15,514.28 and 2,947.49 is: 4,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.52 : 15,514.28 = 2,947.49 : x
  2. Step 2: Convert to fraction form
    10,342.52/15,514.28 = 2,947.49/x
  3. Step 3: Cross multiply
    10,342.52x = 15,514.28 × 2,947.49
  4. Step 4: Simplify right side
    10,342.52x = 45,728,092.85
  5. Step 5: Solve for x
    x = 45,728,092.85/10,342.52
  6. Step 6: Final answer
    x = 4,421.37

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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.