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Finding the Fourth Proportional to 12,230.55, 16,885.71 and 9,392.45

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Solution

The fourth proportional to 12,230.55, 16,885.71 and 9,392.45 is: 12,967.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.55 : 16,885.71 = 9,392.45 : x
  2. Step 2: Convert to fraction form
    12,230.55/16,885.71 = 9,392.45/x
  3. Step 3: Cross multiply
    12,230.55x = 16,885.71 × 9,392.45
  4. Step 4: Simplify right side
    12,230.55x = 158,598,102.46
  5. Step 5: Solve for x
    x = 158,598,102.46/12,230.55
  6. Step 6: Final answer
    x = 12,967.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.