Home / 16,218.30-22,355.01-11,742.30

Finding the Fourth Proportional to 16,218.30, 22,355.01 and 11,742.30

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Solution

The fourth proportional to 16,218.30, 22,355.01 and 11,742.30 is: 16,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.30 : 22,355.01 = 11,742.30 : x
  2. Step 2: Convert to fraction form
    16,218.30/22,355.01 = 11,742.30/x
  3. Step 3: Cross multiply
    16,218.30x = 22,355.01 × 11,742.30
  4. Step 4: Simplify right side
    16,218.30x = 262,499,233.92
  5. Step 5: Solve for x
    x = 262,499,233.92/16,218.30
  6. Step 6: Final answer
    x = 16,185.37

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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.