Home / 12,299.27-18,449.03-3,534.19

Finding the Fourth Proportional to 12,299.27, 18,449.03 and 3,534.19

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Solution

The fourth proportional to 12,299.27, 18,449.03 and 3,534.19 is: 5,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299.27 : 18,449.03 = 3,534.19 : x
  2. Step 2: Convert to fraction form
    12,299.27/18,449.03 = 3,534.19/x
  3. Step 3: Cross multiply
    12,299.27x = 18,449.03 × 3,534.19
  4. Step 4: Simplify right side
    12,299.27x = 65,202,313.54
  5. Step 5: Solve for x
    x = 65,202,313.54/12,299.27
  6. Step 6: Final answer
    x = 5,301.31

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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.