Home / 10,720.23-16,082.70-3,604.22

Finding the Fourth Proportional to 10,720.23, 16,082.70 and 3,604.22

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Solution

The fourth proportional to 10,720.23, 16,082.70 and 3,604.22 is: 5,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.23 : 16,082.70 = 3,604.22 : x
  2. Step 2: Convert to fraction form
    10,720.23/16,082.70 = 3,604.22/x
  3. Step 3: Cross multiply
    10,720.23x = 16,082.70 × 3,604.22
  4. Step 4: Simplify right side
    10,720.23x = 57,965,588.99
  5. Step 5: Solve for x
    x = 57,965,588.99/10,720.23
  6. Step 6: Final answer
    x = 5,407.12

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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.