Home / 12,020.03-18,032.10-3,699.87

Finding the Fourth Proportional to 12,020.03, 18,032.10 and 3,699.87

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Solution

The fourth proportional to 12,020.03, 18,032.10 and 3,699.87 is: 5,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.03 : 18,032.10 = 3,699.87 : x
  2. Step 2: Convert to fraction form
    12,020.03/18,032.10 = 3,699.87/x
  3. Step 3: Cross multiply
    12,020.03x = 18,032.10 × 3,699.87
  4. Step 4: Simplify right side
    12,020.03x = 66,716,407.33
  5. Step 5: Solve for x
    x = 66,716,407.33/12,020.03
  6. Step 6: Final answer
    x = 5,550.44

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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.