Home / 10,544.90-15,812.48-3,147.44

Finding the Fourth Proportional to 10,544.90, 15,812.48 and 3,147.44

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Solution

The fourth proportional to 10,544.90, 15,812.48 and 3,147.44 is: 4,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.90 : 15,812.48 = 3,147.44 : x
  2. Step 2: Convert to fraction form
    10,544.90/15,812.48 = 3,147.44/x
  3. Step 3: Cross multiply
    10,544.90x = 15,812.48 × 3,147.44
  4. Step 4: Simplify right side
    10,544.90x = 49,768,832.05
  5. Step 5: Solve for x
    x = 49,768,832.05/10,544.90
  6. Step 6: Final answer
    x = 4,719.71

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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.