Home / 10,086.97-15,132.63-4,240.21

Finding the Fourth Proportional to 10,086.97, 15,132.63 and 4,240.21

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Solution

The fourth proportional to 10,086.97, 15,132.63 and 4,240.21 is: 6,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.97 : 15,132.63 = 4,240.21 : x
  2. Step 2: Convert to fraction form
    10,086.97/15,132.63 = 4,240.21/x
  3. Step 3: Cross multiply
    10,086.97x = 15,132.63 × 4,240.21
  4. Step 4: Simplify right side
    10,086.97x = 64,165,529.05
  5. Step 5: Solve for x
    x = 64,165,529.05/10,086.97
  6. Step 6: Final answer
    x = 6,361.23

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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.