Home / 14,141.28-19,513.44-8,474.88

Finding the Fourth Proportional to 14,141.28, 19,513.44 and 8,474.88

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Solution

The fourth proportional to 14,141.28, 19,513.44 and 8,474.88 is: 11,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.28 : 19,513.44 = 8,474.88 : x
  2. Step 2: Convert to fraction form
    14,141.28/19,513.44 = 8,474.88/x
  3. Step 3: Cross multiply
    14,141.28x = 19,513.44 × 8,474.88
  4. Step 4: Simplify right side
    14,141.28x = 165,374,062.39
  5. Step 5: Solve for x
    x = 165,374,062.39/14,141.28
  6. Step 6: Final answer
    x = 11,694.42

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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.