Home / 10,722.50-16,082.36-3,326.79

Finding the Fourth Proportional to 10,722.50, 16,082.36 and 3,326.79

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Solution

The fourth proportional to 10,722.50, 16,082.36 and 3,326.79 is: 4,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.50 : 16,082.36 = 3,326.79 : x
  2. Step 2: Convert to fraction form
    10,722.50/16,082.36 = 3,326.79/x
  3. Step 3: Cross multiply
    10,722.50x = 16,082.36 × 3,326.79
  4. Step 4: Simplify right side
    10,722.50x = 53,502,634.42
  5. Step 5: Solve for x
    x = 53,502,634.42/10,722.50
  6. Step 6: Final answer
    x = 4,989.75

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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.