Home / 21,075.05-31,614.68-6,082.54

Finding the Fourth Proportional to 21,075.05, 31,614.68 and 6,082.54

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Solution

The fourth proportional to 21,075.05, 31,614.68 and 6,082.54 is: 9,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075.05 : 31,614.68 = 6,082.54 : x
  2. Step 2: Convert to fraction form
    21,075.05/31,614.68 = 6,082.54/x
  3. Step 3: Cross multiply
    21,075.05x = 31,614.68 × 6,082.54
  4. Step 4: Simplify right side
    21,075.05x = 192,297,491.86
  5. Step 5: Solve for x
    x = 192,297,491.86/21,075.05
  6. Step 6: Final answer
    x = 9,124.42

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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.