Home / 13,935.19-19,229.29-8,268.96

Finding the Fourth Proportional to 13,935.19, 19,229.29 and 8,268.96

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Solution

The fourth proportional to 13,935.19, 19,229.29 and 8,268.96 is: 11,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.19 : 19,229.29 = 8,268.96 : x
  2. Step 2: Convert to fraction form
    13,935.19/19,229.29 = 8,268.96/x
  3. Step 3: Cross multiply
    13,935.19x = 19,229.29 × 8,268.96
  4. Step 4: Simplify right side
    13,935.19x = 159,006,188.49
  5. Step 5: Solve for x
    x = 159,006,188.49/13,935.19
  6. Step 6: Final answer
    x = 11,410.41

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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.