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Finding the Fourth Proportional to 22,986.97, 34,455.95 and 13,104.97

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Solution

The fourth proportional to 22,986.97, 34,455.95 and 13,104.97 is: 19,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.97 : 34,455.95 = 13,104.97 : x
  2. Step 2: Convert to fraction form
    22,986.97/34,455.95 = 13,104.97/x
  3. Step 3: Cross multiply
    22,986.97x = 34,455.95 × 13,104.97
  4. Step 4: Simplify right side
    22,986.97x = 451,543,953.27
  5. Step 5: Solve for x
    x = 451,543,953.27/22,986.97
  6. Step 6: Final answer
    x = 19,643.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.