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Finding the Fourth Proportional to 11,061.30, 15,267.73 and 7,287.22

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Solution

The fourth proportional to 11,061.30, 15,267.73 and 7,287.22 is: 10,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.30 : 15,267.73 = 7,287.22 : x
  2. Step 2: Convert to fraction form
    11,061.30/15,267.73 = 7,287.22/x
  3. Step 3: Cross multiply
    11,061.30x = 15,267.73 × 7,287.22
  4. Step 4: Simplify right side
    11,061.30x = 111,259,307.41
  5. Step 5: Solve for x
    x = 111,259,307.41/11,061.30
  6. Step 6: Final answer
    x = 10,058.43

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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.