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Finding the Fourth Proportional to 12,240.68, 16,765.56 and 11,522.58

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Solution

The fourth proportional to 12,240.68, 16,765.56 and 11,522.58 is: 15,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.68 : 16,765.56 = 11,522.58 : x
  2. Step 2: Convert to fraction form
    12,240.68/16,765.56 = 11,522.58/x
  3. Step 3: Cross multiply
    12,240.68x = 16,765.56 × 11,522.58
  4. Step 4: Simplify right side
    12,240.68x = 193,182,506.34
  5. Step 5: Solve for x
    x = 193,182,506.34/12,240.68
  6. Step 6: Final answer
    x = 15,782.01

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.