Home / 10,119.39-15,179.55-3,795.78

Finding the Fourth Proportional to 10,119.39, 15,179.55 and 3,795.78

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Solution

The fourth proportional to 10,119.39, 15,179.55 and 3,795.78 is: 5,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.39 : 15,179.55 = 3,795.78 : x
  2. Step 2: Convert to fraction form
    10,119.39/15,179.55 = 3,795.78/x
  3. Step 3: Cross multiply
    10,119.39x = 15,179.55 × 3,795.78
  4. Step 4: Simplify right side
    10,119.39x = 57,618,232.30
  5. Step 5: Solve for x
    x = 57,618,232.30/10,119.39
  6. Step 6: Final answer
    x = 5,693.84

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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.