Home / 16,226.08-22,371.52-13,238.88

Finding the Fourth Proportional to 16,226.08, 22,371.52 and 13,238.88

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Solution

The fourth proportional to 16,226.08, 22,371.52 and 13,238.88 is: 18,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,226.08 : 22,371.52 = 13,238.88 : x
  2. Step 2: Convert to fraction form
    16,226.08/22,371.52 = 13,238.88/x
  3. Step 3: Cross multiply
    16,226.08x = 22,371.52 × 13,238.88
  4. Step 4: Simplify right side
    16,226.08x = 296,173,868.70
  5. Step 5: Solve for x
    x = 296,173,868.70/16,226.08
  6. Step 6: Final answer
    x = 18,252.95

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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.