Home / 16,623.70-24,935.55-12,905.80

Finding the Fourth Proportional to 16,623.70, 24,935.55 and 12,905.80

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Solution

The fourth proportional to 16,623.70, 24,935.55 and 12,905.80 is: 19,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.70 : 24,935.55 = 12,905.80 : x
  2. Step 2: Convert to fraction form
    16,623.70/24,935.55 = 12,905.80/x
  3. Step 3: Cross multiply
    16,623.70x = 24,935.55 × 12,905.80
  4. Step 4: Simplify right side
    16,623.70x = 321,813,221.19
  5. Step 5: Solve for x
    x = 321,813,221.19/16,623.70
  6. Step 6: Final answer
    x = 19,358.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.