Home / 10,507.26-15,761.04-3,112.47

Finding the Fourth Proportional to 10,507.26, 15,761.04 and 3,112.47

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Solution

The fourth proportional to 10,507.26, 15,761.04 and 3,112.47 is: 4,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.26 : 15,761.04 = 3,112.47 : x
  2. Step 2: Convert to fraction form
    10,507.26/15,761.04 = 3,112.47/x
  3. Step 3: Cross multiply
    10,507.26x = 15,761.04 × 3,112.47
  4. Step 4: Simplify right side
    10,507.26x = 49,055,685.36
  5. Step 5: Solve for x
    x = 49,055,685.36/10,507.26
  6. Step 6: Final answer
    x = 4,668.74

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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.