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Finding the Fourth Proportional to 8,853.93, 13,263.62 and 6,896.97

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Solution

The fourth proportional to 8,853.93, 13,263.62 and 6,896.97 is: 10,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.93 : 13,263.62 = 6,896.97 : x
  2. Step 2: Convert to fraction form
    8,853.93/13,263.62 = 6,896.97/x
  3. Step 3: Cross multiply
    8,853.93x = 13,263.62 × 6,896.97
  4. Step 4: Simplify right side
    8,853.93x = 91,478,754.75
  5. Step 5: Solve for x
    x = 91,478,754.75/8,853.93
  6. Step 6: Final answer
    x = 10,331.99

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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.