Home / 10,344.78-15,514.38-4,500

Finding the Fourth Proportional to 10,344.78, 15,514.38 and 4,500

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Solution

The fourth proportional to 10,344.78, 15,514.38 and 4,500 is: 6,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.78 : 15,514.38 = 4,500 : x
  2. Step 2: Convert to fraction form
    10,344.78/15,514.38 = 4,500/x
  3. Step 3: Cross multiply
    10,344.78x = 15,514.38 × 4,500
  4. Step 4: Simplify right side
    10,344.78x = 69,814,710
  5. Step 5: Solve for x
    x = 69,814,710/10,344.78
  6. Step 6: Final answer
    x = 6,748.79

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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.