Home / 10,001.14-15,003.83-3,425.56

Finding the Fourth Proportional to 10,001.14, 15,003.83 and 3,425.56

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Solution

The fourth proportional to 10,001.14, 15,003.83 and 3,425.56 is: 5,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.14 : 15,003.83 = 3,425.56 : x
  2. Step 2: Convert to fraction form
    10,001.14/15,003.83 = 3,425.56/x
  3. Step 3: Cross multiply
    10,001.14x = 15,003.83 × 3,425.56
  4. Step 4: Simplify right side
    10,001.14x = 51,396,519.89
  5. Step 5: Solve for x
    x = 51,396,519.89/10,001.14
  6. Step 6: Final answer
    x = 5,139.07

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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.