Home / 10,777.22-16,169.78-4,538.81

Finding the Fourth Proportional to 10,777.22, 16,169.78 and 4,538.81

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Solution

The fourth proportional to 10,777.22, 16,169.78 and 4,538.81 is: 6,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.22 : 16,169.78 = 4,538.81 : x
  2. Step 2: Convert to fraction form
    10,777.22/16,169.78 = 4,538.81/x
  3. Step 3: Cross multiply
    10,777.22x = 16,169.78 × 4,538.81
  4. Step 4: Simplify right side
    10,777.22x = 73,391,489.66
  5. Step 5: Solve for x
    x = 73,391,489.66/10,777.22
  6. Step 6: Final answer
    x = 6,809.87

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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.