Home / 10,342.09-15,514.26-3,320.47

Finding the Fourth Proportional to 10,342.09, 15,514.26 and 3,320.47

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Solution

The fourth proportional to 10,342.09, 15,514.26 and 3,320.47 is: 4,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.09 : 15,514.26 = 3,320.47 : x
  2. Step 2: Convert to fraction form
    10,342.09/15,514.26 = 3,320.47/x
  3. Step 3: Cross multiply
    10,342.09x = 15,514.26 × 3,320.47
  4. Step 4: Simplify right side
    10,342.09x = 51,514,634.90
  5. Step 5: Solve for x
    x = 51,514,634.90/10,342.09
  6. Step 6: Final answer
    x = 4,981.07

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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.