Home / 10,568.36-15,838.97-3,986.70

Finding the Fourth Proportional to 10,568.36, 15,838.97 and 3,986.70

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Solution

The fourth proportional to 10,568.36, 15,838.97 and 3,986.70 is: 5,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.36 : 15,838.97 = 3,986.70 : x
  2. Step 2: Convert to fraction form
    10,568.36/15,838.97 = 3,986.70/x
  3. Step 3: Cross multiply
    10,568.36x = 15,838.97 × 3,986.70
  4. Step 4: Simplify right side
    10,568.36x = 63,145,201.77
  5. Step 5: Solve for x
    x = 63,145,201.77/10,568.36
  6. Step 6: Final answer
    x = 5,974.93

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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.