Home / 12,324.24-18,486.60-3,090

Finding the Fourth Proportional to 12,324.24, 18,486.60 and 3,090

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Solution

The fourth proportional to 12,324.24, 18,486.60 and 3,090 is: 4,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.24 : 18,486.60 = 3,090 : x
  2. Step 2: Convert to fraction form
    12,324.24/18,486.60 = 3,090/x
  3. Step 3: Cross multiply
    12,324.24x = 18,486.60 × 3,090
  4. Step 4: Simplify right side
    12,324.24x = 57,123,594.00
  5. Step 5: Solve for x
    x = 57,123,594.00/12,324.24
  6. Step 6: Final answer
    x = 4,635.06

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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.