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Finding the Fourth Proportional to 19,602.04, 29,403 and 7,915.12

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Solution

The fourth proportional to 19,602.04, 29,403 and 7,915.12 is: 11,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.04 : 29,403 = 7,915.12 : x
  2. Step 2: Convert to fraction form
    19,602.04/29,403 = 7,915.12/x
  3. Step 3: Cross multiply
    19,602.04x = 29,403 × 7,915.12
  4. Step 4: Simplify right side
    19,602.04x = 232,728,273.36
  5. Step 5: Solve for x
    x = 232,728,273.36/19,602.04
  6. Step 6: Final answer
    x = 11,872.66

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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.