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Finding the Fourth Proportional to 22,759.08, 34,153.98 and 7,968.12

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Solution

The fourth proportional to 22,759.08, 34,153.98 and 7,968.12 is: 11,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,759.08 : 34,153.98 = 7,968.12 : x
  2. Step 2: Convert to fraction form
    22,759.08/34,153.98 = 7,968.12/x
  3. Step 3: Cross multiply
    22,759.08x = 34,153.98 × 7,968.12
  4. Step 4: Simplify right side
    22,759.08x = 272,143,011.12
  5. Step 5: Solve for x
    x = 272,143,011.12/22,759.08
  6. Step 6: Final answer
    x = 11,957.56

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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.