Home / 12,228.02-18,338.19-5,207.96

Finding the Fourth Proportional to 12,228.02, 18,338.19 and 5,207.96

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Solution

The fourth proportional to 12,228.02, 18,338.19 and 5,207.96 is: 7,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.02 : 18,338.19 = 5,207.96 : x
  2. Step 2: Convert to fraction form
    12,228.02/18,338.19 = 5,207.96/x
  3. Step 3: Cross multiply
    12,228.02x = 18,338.19 × 5,207.96
  4. Step 4: Simplify right side
    12,228.02x = 95,504,559.99
  5. Step 5: Solve for x
    x = 95,504,559.99/12,228.02
  6. Step 6: Final answer
    x = 7,810.30

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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.