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Finding the Fourth Proportional to 17,996.53, 26,994.81 and 9,225.85

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Solution

The fourth proportional to 17,996.53, 26,994.81 and 9,225.85 is: 13,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.53 : 26,994.81 = 9,225.85 : x
  2. Step 2: Convert to fraction form
    17,996.53/26,994.81 = 9,225.85/x
  3. Step 3: Cross multiply
    17,996.53x = 26,994.81 × 9,225.85
  4. Step 4: Simplify right side
    17,996.53x = 249,050,067.84
  5. Step 5: Solve for x
    x = 249,050,067.84/17,996.53
  6. Step 6: Final answer
    x = 13,838.78

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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.