Home / 15,454.80-23,182.20-7,664.22

Finding the Fourth Proportional to 15,454.80, 23,182.20 and 7,664.22

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Solution

The fourth proportional to 15,454.80, 23,182.20 and 7,664.22 is: 11,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.80 : 23,182.20 = 7,664.22 : x
  2. Step 2: Convert to fraction form
    15,454.80/23,182.20 = 7,664.22/x
  3. Step 3: Cross multiply
    15,454.80x = 23,182.20 × 7,664.22
  4. Step 4: Simplify right side
    15,454.80x = 177,673,480.88
  5. Step 5: Solve for x
    x = 177,673,480.88/15,454.80
  6. Step 6: Final answer
    x = 11,496.33

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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.