Home / 10,246.97-15,360.20-3,998.39

Finding the Fourth Proportional to 10,246.97, 15,360.20 and 3,998.39

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Solution

The fourth proportional to 10,246.97, 15,360.20 and 3,998.39 is: 5,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.97 : 15,360.20 = 3,998.39 : x
  2. Step 2: Convert to fraction form
    10,246.97/15,360.20 = 3,998.39/x
  3. Step 3: Cross multiply
    10,246.97x = 15,360.20 × 3,998.39
  4. Step 4: Simplify right side
    10,246.97x = 61,415,973.29
  5. Step 5: Solve for x
    x = 61,415,973.29/10,246.97
  6. Step 6: Final answer
    x = 5,993.57

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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.