Home / 21,226.28-29,290.98-11,794.52

Finding the Fourth Proportional to 21,226.28, 29,290.98 and 11,794.52

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Solution

The fourth proportional to 21,226.28, 29,290.98 and 11,794.52 is: 16,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.28 : 29,290.98 = 11,794.52 : x
  2. Step 2: Convert to fraction form
    21,226.28/29,290.98 = 11,794.52/x
  3. Step 3: Cross multiply
    21,226.28x = 29,290.98 × 11,794.52
  4. Step 4: Simplify right side
    21,226.28x = 345,473,049.43
  5. Step 5: Solve for x
    x = 345,473,049.43/21,226.28
  6. Step 6: Final answer
    x = 16,275.72

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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.