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Finding the Fourth Proportional to 15,052.98, 20,772.47 and 8,338.89

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Solution

The fourth proportional to 15,052.98, 20,772.47 and 8,338.89 is: 11,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.98 : 20,772.47 = 8,338.89 : x
  2. Step 2: Convert to fraction form
    15,052.98/20,772.47 = 8,338.89/x
  3. Step 3: Cross multiply
    15,052.98x = 20,772.47 × 8,338.89
  4. Step 4: Simplify right side
    15,052.98x = 173,219,363.21
  5. Step 5: Solve for x
    x = 173,219,363.21/15,052.98
  6. Step 6: Final answer
    x = 11,507.31

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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.