Home / 10,144.46-15,216.69-3,820.53

Finding the Fourth Proportional to 10,144.46, 15,216.69 and 3,820.53

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Solution

The fourth proportional to 10,144.46, 15,216.69 and 3,820.53 is: 5,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.46 : 15,216.69 = 3,820.53 : x
  2. Step 2: Convert to fraction form
    10,144.46/15,216.69 = 3,820.53/x
  3. Step 3: Cross multiply
    10,144.46x = 15,216.69 × 3,820.53
  4. Step 4: Simplify right side
    10,144.46x = 58,135,820.65
  5. Step 5: Solve for x
    x = 58,135,820.65/10,144.46
  6. Step 6: Final answer
    x = 5,730.80

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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.