Home / 10,119.08-15,178.96-3,549.84

Finding the Fourth Proportional to 10,119.08, 15,178.96 and 3,549.84

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Solution

The fourth proportional to 10,119.08, 15,178.96 and 3,549.84 is: 5,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.08 : 15,178.96 = 3,549.84 : x
  2. Step 2: Convert to fraction form
    10,119.08/15,178.96 = 3,549.84/x
  3. Step 3: Cross multiply
    10,119.08x = 15,178.96 × 3,549.84
  4. Step 4: Simplify right side
    10,119.08x = 53,882,879.37
  5. Step 5: Solve for x
    x = 53,882,879.37/10,119.08
  6. Step 6: Final answer
    x = 5,324.88

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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.