Home / 21,198.72-29,251.71-12,244.44

Finding the Fourth Proportional to 21,198.72, 29,251.71 and 12,244.44

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Solution

The fourth proportional to 21,198.72, 29,251.71 and 12,244.44 is: 16,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.72 : 29,251.71 = 12,244.44 : x
  2. Step 2: Convert to fraction form
    21,198.72/29,251.71 = 12,244.44/x
  3. Step 3: Cross multiply
    21,198.72x = 29,251.71 × 12,244.44
  4. Step 4: Simplify right side
    21,198.72x = 358,170,807.99
  5. Step 5: Solve for x
    x = 358,170,807.99/21,198.72
  6. Step 6: Final answer
    x = 16,895.87

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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.