Home / 14,268.56-19,689.60-8,299.82

Finding the Fourth Proportional to 14,268.56, 19,689.60 and 8,299.82

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Solution

The fourth proportional to 14,268.56, 19,689.60 and 8,299.82 is: 11,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.56 : 19,689.60 = 8,299.82 : x
  2. Step 2: Convert to fraction form
    14,268.56/19,689.60 = 8,299.82/x
  3. Step 3: Cross multiply
    14,268.56x = 19,689.60 × 8,299.82
  4. Step 4: Simplify right side
    14,268.56x = 163,420,135.87
  5. Step 5: Solve for x
    x = 163,420,135.87/14,268.56
  6. Step 6: Final answer
    x = 11,453.16

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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.