Home / 12,126.02-18,187.23-3,360.02

Finding the Fourth Proportional to 12,126.02, 18,187.23 and 3,360.02

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Solution

The fourth proportional to 12,126.02, 18,187.23 and 3,360.02 is: 5,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.02 : 18,187.23 = 3,360.02 : x
  2. Step 2: Convert to fraction form
    12,126.02/18,187.23 = 3,360.02/x
  3. Step 3: Cross multiply
    12,126.02x = 18,187.23 × 3,360.02
  4. Step 4: Simplify right side
    12,126.02x = 61,109,456.54
  5. Step 5: Solve for x
    x = 61,109,456.54/12,126.02
  6. Step 6: Final answer
    x = 5,039.53

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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.