Home / 15,007.31-22,514.38-5,145.99

Finding the Fourth Proportional to 15,007.31, 22,514.38 and 5,145.99

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Solution

The fourth proportional to 15,007.31, 22,514.38 and 5,145.99 is: 7,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,007.31 : 22,514.38 = 5,145.99 : x
  2. Step 2: Convert to fraction form
    15,007.31/22,514.38 = 5,145.99/x
  3. Step 3: Cross multiply
    15,007.31x = 22,514.38 × 5,145.99
  4. Step 4: Simplify right side
    15,007.31x = 115,858,761.47
  5. Step 5: Solve for x
    x = 115,858,761.47/15,007.31
  6. Step 6: Final answer
    x = 7,720.16

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1.5x scale

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.