Home / 19,364.94-26,713.78-12,654.50

Finding the Fourth Proportional to 19,364.94, 26,713.78 and 12,654.50

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Solution

The fourth proportional to 19,364.94, 26,713.78 and 12,654.50 is: 17,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.94 : 26,713.78 = 12,654.50 : x
  2. Step 2: Convert to fraction form
    19,364.94/26,713.78 = 12,654.50/x
  3. Step 3: Cross multiply
    19,364.94x = 26,713.78 × 12,654.50
  4. Step 4: Simplify right side
    19,364.94x = 338,049,529.01
  5. Step 5: Solve for x
    x = 338,049,529.01/19,364.94
  6. Step 6: Final answer
    x = 17,456.78

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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.