Home / 14,082-21,123.30-5,321.04

Finding the Fourth Proportional to 14,082, 21,123.30 and 5,321.04

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Solution

The fourth proportional to 14,082, 21,123.30 and 5,321.04 is: 7,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082 : 21,123.30 = 5,321.04 : x
  2. Step 2: Convert to fraction form
    14,082/21,123.30 = 5,321.04/x
  3. Step 3: Cross multiply
    14,082x = 21,123.30 × 5,321.04
  4. Step 4: Simplify right side
    14,082x = 112,397,924.23
  5. Step 5: Solve for x
    x = 112,397,924.23/14,082
  6. Step 6: Final answer
    x = 7,981.67

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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.