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Finding the Fourth Proportional to 16,473.84, 22,733.91 and 8,920.18

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Solution

The fourth proportional to 16,473.84, 22,733.91 and 8,920.18 is: 12,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,473.84 : 22,733.91 = 8,920.18 : x
  2. Step 2: Convert to fraction form
    16,473.84/22,733.91 = 8,920.18/x
  3. Step 3: Cross multiply
    16,473.84x = 22,733.91 × 8,920.18
  4. Step 4: Simplify right side
    16,473.84x = 202,790,569.30
  5. Step 5: Solve for x
    x = 202,790,569.30/16,473.84
  6. Step 6: Final answer
    x = 12,309.85

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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.