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Finding the Fourth Proportional to 16,633.74, 22,944.02 and 12,646.11

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Solution

The fourth proportional to 16,633.74, 22,944.02 and 12,646.11 is: 17,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,633.74 : 22,944.02 = 12,646.11 : x
  2. Step 2: Convert to fraction form
    16,633.74/22,944.02 = 12,646.11/x
  3. Step 3: Cross multiply
    16,633.74x = 22,944.02 × 12,646.11
  4. Step 4: Simplify right side
    16,633.74x = 290,152,537.53
  5. Step 5: Solve for x
    x = 290,152,537.53/16,633.74
  6. Step 6: Final answer
    x = 17,443.61

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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.