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Finding the Fourth Proportional to 16,562.90, 22,857.11 and 9,009.41

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Solution

The fourth proportional to 16,562.90, 22,857.11 and 9,009.41 is: 12,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,562.90 : 22,857.11 = 9,009.41 : x
  2. Step 2: Convert to fraction form
    16,562.90/22,857.11 = 9,009.41/x
  3. Step 3: Cross multiply
    16,562.90x = 22,857.11 × 9,009.41
  4. Step 4: Simplify right side
    16,562.90x = 205,928,916.07
  5. Step 5: Solve for x
    x = 205,928,916.07/16,562.90
  6. Step 6: Final answer
    x = 12,433.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.