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Finding the Fourth Proportional to 12,191.58, 16,824.42 and 6,602.58

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Solution

The fourth proportional to 12,191.58, 16,824.42 and 6,602.58 is: 9,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.58 : 16,824.42 = 6,602.58 : x
  2. Step 2: Convert to fraction form
    12,191.58/16,824.42 = 6,602.58/x
  3. Step 3: Cross multiply
    12,191.58x = 16,824.42 × 6,602.58
  4. Step 4: Simplify right side
    12,191.58x = 111,084,579.00
  5. Step 5: Solve for x
    x = 111,084,579.00/12,191.58
  6. Step 6: Final answer
    x = 9,111.58

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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.