Home / 10,345.24-15,514.38-3,418.12

Finding the Fourth Proportional to 10,345.24, 15,514.38 and 3,418.12

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Solution

The fourth proportional to 10,345.24, 15,514.38 and 3,418.12 is: 5,126.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.24 : 15,514.38 = 3,418.12 : x
  2. Step 2: Convert to fraction form
    10,345.24/15,514.38 = 3,418.12/x
  3. Step 3: Cross multiply
    10,345.24x = 15,514.38 × 3,418.12
  4. Step 4: Simplify right side
    10,345.24x = 53,030,012.57
  5. Step 5: Solve for x
    x = 53,030,012.57/10,345.24
  6. Step 6: Final answer
    x = 5,126.03

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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.