Home / 10,144.26-15,210.18-3,571.20

Finding the Fourth Proportional to 10,144.26, 15,210.18 and 3,571.20

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Solution

The fourth proportional to 10,144.26, 15,210.18 and 3,571.20 is: 5,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.26 : 15,210.18 = 3,571.20 : x
  2. Step 2: Convert to fraction form
    10,144.26/15,210.18 = 3,571.20/x
  3. Step 3: Cross multiply
    10,144.26x = 15,210.18 × 3,571.20
  4. Step 4: Simplify right side
    10,144.26x = 54,318,594.82
  5. Step 5: Solve for x
    x = 54,318,594.82/10,144.26
  6. Step 6: Final answer
    x = 5,354.61

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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.