Home / 15,105.31-22,645.48-6,665.80

Finding the Fourth Proportional to 15,105.31, 22,645.48 and 6,665.80

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Solution

The fourth proportional to 15,105.31, 22,645.48 and 6,665.80 is: 9,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.31 : 22,645.48 = 6,665.80 : x
  2. Step 2: Convert to fraction form
    15,105.31/22,645.48 = 6,665.80/x
  3. Step 3: Cross multiply
    15,105.31x = 22,645.48 × 6,665.80
  4. Step 4: Simplify right side
    15,105.31x = 150,950,240.58
  5. Step 5: Solve for x
    x = 150,950,240.58/15,105.31
  6. Step 6: Final answer
    x = 9,993.19

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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.