Home / 12,040.13-18,059.03-3,717.90

Finding the Fourth Proportional to 12,040.13, 18,059.03 and 3,717.90

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Solution

The fourth proportional to 12,040.13, 18,059.03 and 3,717.90 is: 5,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.13 : 18,059.03 = 3,717.90 : x
  2. Step 2: Convert to fraction form
    12,040.13/18,059.03 = 3,717.90/x
  3. Step 3: Cross multiply
    12,040.13x = 18,059.03 × 3,717.90
  4. Step 4: Simplify right side
    12,040.13x = 67,141,649.05
  5. Step 5: Solve for x
    x = 67,141,649.05/12,040.13
  6. Step 6: Final answer
    x = 5,576.49

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1.5x scale

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.