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Finding the Fourth Proportional to 9,969.27, 14,936.36 and 8,883.30

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Solution

The fourth proportional to 9,969.27, 14,936.36 and 8,883.30 is: 13,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.27 : 14,936.36 = 8,883.30 : x
  2. Step 2: Convert to fraction form
    9,969.27/14,936.36 = 8,883.30/x
  3. Step 3: Cross multiply
    9,969.27x = 14,936.36 × 8,883.30
  4. Step 4: Simplify right side
    9,969.27x = 132,684,122.37
  5. Step 5: Solve for x
    x = 132,684,122.37/9,969.27
  6. Step 6: Final answer
    x = 13,309.31

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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.