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Finding the Fourth Proportional to 11,626.47, 17,451.99 and 7,246.94

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Solution

The fourth proportional to 11,626.47, 17,451.99 and 7,246.94 is: 10,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,626.47 : 17,451.99 = 7,246.94 : x
  2. Step 2: Convert to fraction form
    11,626.47/17,451.99 = 7,246.94/x
  3. Step 3: Cross multiply
    11,626.47x = 17,451.99 × 7,246.94
  4. Step 4: Simplify right side
    11,626.47x = 126,473,437.15
  5. Step 5: Solve for x
    x = 126,473,437.15/11,626.47
  6. Step 6: Final answer
    x = 10,878.06

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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.