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Finding the Fourth Proportional to 9,908.11, 14,862.17 and 9,252.01

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Solution

The fourth proportional to 9,908.11, 14,862.17 and 9,252.01 is: 13,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.11 : 14,862.17 = 9,252.01 : x
  2. Step 2: Convert to fraction form
    9,908.11/14,862.17 = 9,252.01/x
  3. Step 3: Cross multiply
    9,908.11x = 14,862.17 × 9,252.01
  4. Step 4: Simplify right side
    9,908.11x = 137,504,945.46
  5. Step 5: Solve for x
    x = 137,504,945.46/9,908.11
  6. Step 6: Final answer
    x = 13,878.02

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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.