Home / 13,935.46-19,229.66-8,269.23

Finding the Fourth Proportional to 13,935.46, 19,229.66 and 8,269.23

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Solution

The fourth proportional to 13,935.46, 19,229.66 and 8,269.23 is: 11,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.46 : 19,229.66 = 8,269.23 : x
  2. Step 2: Convert to fraction form
    13,935.46/19,229.66 = 8,269.23/x
  3. Step 3: Cross multiply
    13,935.46x = 19,229.66 × 8,269.23
  4. Step 4: Simplify right side
    13,935.46x = 159,014,481.36
  5. Step 5: Solve for x
    x = 159,014,481.36/13,935.46
  6. Step 6: Final answer
    x = 11,410.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.