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Finding the Fourth Proportional to 9,895.40, 14,843.10 and 8,923.40

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Solution

The fourth proportional to 9,895.40, 14,843.10 and 8,923.40 is: 13,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.40 : 14,843.10 = 8,923.40 : x
  2. Step 2: Convert to fraction form
    9,895.40/14,843.10 = 8,923.40/x
  3. Step 3: Cross multiply
    9,895.40x = 14,843.10 × 8,923.40
  4. Step 4: Simplify right side
    9,895.40x = 132,450,918.54
  5. Step 5: Solve for x
    x = 132,450,918.54/9,895.40
  6. Step 6: Final answer
    x = 13,385.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.