Home / 20,253.48-27,951.82-12,295.08

Finding the Fourth Proportional to 20,253.48, 27,951.82 and 12,295.08

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Solution

The fourth proportional to 20,253.48, 27,951.82 and 12,295.08 is: 16,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.48 : 27,951.82 = 12,295.08 : x
  2. Step 2: Convert to fraction form
    20,253.48/27,951.82 = 12,295.08/x
  3. Step 3: Cross multiply
    20,253.48x = 27,951.82 × 12,295.08
  4. Step 4: Simplify right side
    20,253.48x = 343,669,863.05
  5. Step 5: Solve for x
    x = 343,669,863.05/20,253.48
  6. Step 6: Final answer
    x = 16,968.44

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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.