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Finding the Fourth Proportional to 23,718.66, 35,597.94 and 11,868.88

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Solution

The fourth proportional to 23,718.66, 35,597.94 and 11,868.88 is: 17,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.66 : 35,597.94 = 11,868.88 : x
  2. Step 2: Convert to fraction form
    23,718.66/35,597.94 = 11,868.88/x
  3. Step 3: Cross multiply
    23,718.66x = 35,597.94 × 11,868.88
  4. Step 4: Simplify right side
    23,718.66x = 422,507,678.11
  5. Step 5: Solve for x
    x = 422,507,678.11/23,718.66
  6. Step 6: Final answer
    x = 17,813.30

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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.