Home / 12,040.04-18,062.10-3,719.90

Finding the Fourth Proportional to 12,040.04, 18,062.10 and 3,719.90

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Solution

The fourth proportional to 12,040.04, 18,062.10 and 3,719.90 is: 5,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.04 : 18,062.10 = 3,719.90 : x
  2. Step 2: Convert to fraction form
    12,040.04/18,062.10 = 3,719.90/x
  3. Step 3: Cross multiply
    12,040.04x = 18,062.10 × 3,719.90
  4. Step 4: Simplify right side
    12,040.04x = 67,189,205.79
  5. Step 5: Solve for x
    x = 67,189,205.79/12,040.04
  6. Step 6: Final answer
    x = 5,580.48

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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.