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Finding the Fourth Proportional to 16,476.21, 22,737.05 and 8,922.37

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Solution

The fourth proportional to 16,476.21, 22,737.05 and 8,922.37 is: 12,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,476.21 : 22,737.05 = 8,922.37 : x
  2. Step 2: Convert to fraction form
    16,476.21/22,737.05 = 8,922.37/x
  3. Step 3: Cross multiply
    16,476.21x = 22,737.05 × 8,922.37
  4. Step 4: Simplify right side
    16,476.21x = 202,868,281.43
  5. Step 5: Solve for x
    x = 202,868,281.43/16,476.21
  6. Step 6: Final answer
    x = 12,312.80

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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.