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Finding the Fourth Proportional to 12,263.81, 18,392.98 and 5,689.14

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Solution

The fourth proportional to 12,263.81, 18,392.98 and 5,689.14 is: 8,532.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.81 : 18,392.98 = 5,689.14 : x
  2. Step 2: Convert to fraction form
    12,263.81/18,392.98 = 5,689.14/x
  3. Step 3: Cross multiply
    12,263.81x = 18,392.98 × 5,689.14
  4. Step 4: Simplify right side
    12,263.81x = 104,640,238.24
  5. Step 5: Solve for x
    x = 104,640,238.24/12,263.81
  6. Step 6: Final answer
    x = 8,532.44

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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.