Home / 11,082.57-16,623.85-5,239.77

Finding the Fourth Proportional to 11,082.57, 16,623.85 and 5,239.77

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Solution

The fourth proportional to 11,082.57, 16,623.85 and 5,239.77 is: 7,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.57 : 16,623.85 = 5,239.77 : x
  2. Step 2: Convert to fraction form
    11,082.57/16,623.85 = 5,239.77/x
  3. Step 3: Cross multiply
    11,082.57x = 16,623.85 × 5,239.77
  4. Step 4: Simplify right side
    11,082.57x = 87,105,150.51
  5. Step 5: Solve for x
    x = 87,105,150.51/11,082.57
  6. Step 6: Final answer
    x = 7,859.65

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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.