Home / 10,190.19-15,286.76-9,629.97

Finding the Fourth Proportional to 10,190.19, 15,286.76 and 9,629.97

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Solution

The fourth proportional to 10,190.19, 15,286.76 and 9,629.97 is: 14,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.19 : 15,286.76 = 9,629.97 : x
  2. Step 2: Convert to fraction form
    10,190.19/15,286.76 = 9,629.97/x
  3. Step 3: Cross multiply
    10,190.19x = 15,286.76 × 9,629.97
  4. Step 4: Simplify right side
    10,190.19x = 147,210,992.05
  5. Step 5: Solve for x
    x = 147,210,992.05/10,190.19
  6. Step 6: Final answer
    x = 14,446.34

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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.