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Finding the Fourth Proportional to 10,801.80, 14,902.10 and 6,612.48

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Solution

The fourth proportional to 10,801.80, 14,902.10 and 6,612.48 is: 9,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,801.80 : 14,902.10 = 6,612.48 : x
  2. Step 2: Convert to fraction form
    10,801.80/14,902.10 = 6,612.48/x
  3. Step 3: Cross multiply
    10,801.80x = 14,902.10 × 6,612.48
  4. Step 4: Simplify right side
    10,801.80x = 98,539,838.21
  5. Step 5: Solve for x
    x = 98,539,838.21/10,801.80
  6. Step 6: Final answer
    x = 9,122.54

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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.