Home / 13,935.27-19,229.40-8,269.05

Finding the Fourth Proportional to 13,935.27, 19,229.40 and 8,269.05

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Solution

The fourth proportional to 13,935.27, 19,229.40 and 8,269.05 is: 11,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.27 : 19,229.40 = 8,269.05 : x
  2. Step 2: Convert to fraction form
    13,935.27/19,229.40 = 8,269.05/x
  3. Step 3: Cross multiply
    13,935.27x = 19,229.40 × 8,269.05
  4. Step 4: Simplify right side
    13,935.27x = 159,008,773.92
  5. Step 5: Solve for x
    x = 159,008,773.92/13,935.27
  6. Step 6: Final answer
    x = 11,410.53

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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.