Home / 10,472.26-15,708.38-2,681.06

Finding the Fourth Proportional to 10,472.26, 15,708.38 and 2,681.06

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Solution

The fourth proportional to 10,472.26, 15,708.38 and 2,681.06 is: 4,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.26 : 15,708.38 = 2,681.06 : x
  2. Step 2: Convert to fraction form
    10,472.26/15,708.38 = 2,681.06/x
  3. Step 3: Cross multiply
    10,472.26x = 15,708.38 × 2,681.06
  4. Step 4: Simplify right side
    10,472.26x = 42,115,109.28
  5. Step 5: Solve for x
    x = 42,115,109.28/10,472.26
  6. Step 6: Final answer
    x = 4,021.59

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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.