Home / 16,231.08-22,378.50-13,243.88

Finding the Fourth Proportional to 16,231.08, 22,378.50 and 13,243.88

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Solution

The fourth proportional to 16,231.08, 22,378.50 and 13,243.88 is: 18,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.08 : 22,378.50 = 13,243.88 : x
  2. Step 2: Convert to fraction form
    16,231.08/22,378.50 = 13,243.88/x
  3. Step 3: Cross multiply
    16,231.08x = 22,378.50 × 13,243.88
  4. Step 4: Simplify right side
    16,231.08x = 296,378,168.58
  5. Step 5: Solve for x
    x = 296,378,168.58/16,231.08
  6. Step 6: Final answer
    x = 18,259.92

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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.