Home / 21,555.24-32,333.22-6,763.80

Finding the Fourth Proportional to 21,555.24, 32,333.22 and 6,763.80

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Solution

The fourth proportional to 21,555.24, 32,333.22 and 6,763.80 is: 10,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.24 : 32,333.22 = 6,763.80 : x
  2. Step 2: Convert to fraction form
    21,555.24/32,333.22 = 6,763.80/x
  3. Step 3: Cross multiply
    21,555.24x = 32,333.22 × 6,763.80
  4. Step 4: Simplify right side
    21,555.24x = 218,695,433.44
  5. Step 5: Solve for x
    x = 218,695,433.44/21,555.24
  6. Step 6: Final answer
    x = 10,145.81

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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.