Home / 10,040.91-15,065.49-4,415.69

Finding the Fourth Proportional to 10,040.91, 15,065.49 and 4,415.69

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Solution

The fourth proportional to 10,040.91, 15,065.49 and 4,415.69 is: 6,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.91 : 15,065.49 = 4,415.69 : x
  2. Step 2: Convert to fraction form
    10,040.91/15,065.49 = 4,415.69/x
  3. Step 3: Cross multiply
    10,040.91x = 15,065.49 × 4,415.69
  4. Step 4: Simplify right side
    10,040.91x = 66,524,469.25
  5. Step 5: Solve for x
    x = 66,524,469.25/10,040.91
  6. Step 6: Final answer
    x = 6,625.34

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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.