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Finding the Fourth Proportional to 16,473.78, 22,731.66 and 9,400.68

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Solution

The fourth proportional to 16,473.78, 22,731.66 and 9,400.68 is: 12,971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.78 : 22,731.66 = 9,400.68 : x
  2. Step 2: Convert to fraction form
    16,473.78/22,731.66 = 9,400.68/x
  3. Step 3: Cross multiply
    16,473.78x = 22,731.66 × 9,400.68
  4. Step 4: Simplify right side
    16,473.78x = 213,693,061.53
  5. Step 5: Solve for x
    x = 213,693,061.53/16,473.78
  6. Step 6: Final answer
    x = 12,971.71

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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.