Home / 10,720.58-16,082.07-3,326.90

Finding the Fourth Proportional to 10,720.58, 16,082.07 and 3,326.90

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Solution

The fourth proportional to 10,720.58, 16,082.07 and 3,326.90 is: 4,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.58 : 16,082.07 = 3,326.90 : x
  2. Step 2: Convert to fraction form
    10,720.58/16,082.07 = 3,326.90/x
  3. Step 3: Cross multiply
    10,720.58x = 16,082.07 × 3,326.90
  4. Step 4: Simplify right side
    10,720.58x = 53,503,358.27
  5. Step 5: Solve for x
    x = 53,503,358.27/10,720.58
  6. Step 6: Final answer
    x = 4,990.72

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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.