Home / 10,260.97-15,398.39-4,020.21

Finding the Fourth Proportional to 10,260.97, 15,398.39 and 4,020.21

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Solution

The fourth proportional to 10,260.97, 15,398.39 and 4,020.21 is: 6,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.97 : 15,398.39 = 4,020.21 : x
  2. Step 2: Convert to fraction form
    10,260.97/15,398.39 = 4,020.21/x
  3. Step 3: Cross multiply
    10,260.97x = 15,398.39 × 4,020.21
  4. Step 4: Simplify right side
    10,260.97x = 61,904,761.46
  5. Step 5: Solve for x
    x = 61,904,761.46/10,260.97
  6. Step 6: Final answer
    x = 6,033.03

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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.