Home / 12,219.80-18,326.03-6,373.22

Finding the Fourth Proportional to 12,219.80, 18,326.03 and 6,373.22

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Solution

The fourth proportional to 12,219.80, 18,326.03 and 6,373.22 is: 9,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.80 : 18,326.03 = 6,373.22 : x
  2. Step 2: Convert to fraction form
    12,219.80/18,326.03 = 6,373.22/x
  3. Step 3: Cross multiply
    12,219.80x = 18,326.03 × 6,373.22
  4. Step 4: Simplify right side
    12,219.80x = 116,795,697.42
  5. Step 5: Solve for x
    x = 116,795,697.42/12,219.80
  6. Step 6: Final answer
    x = 9,557.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.