Home / 13,012.10-19,516.17-4,247

Finding the Fourth Proportional to 13,012.10, 19,516.17 and 4,247

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Solution

The fourth proportional to 13,012.10, 19,516.17 and 4,247 is: 6,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.10 : 19,516.17 = 4,247 : x
  2. Step 2: Convert to fraction form
    13,012.10/19,516.17 = 4,247/x
  3. Step 3: Cross multiply
    13,012.10x = 19,516.17 × 4,247
  4. Step 4: Simplify right side
    13,012.10x = 82,885,173.99
  5. Step 5: Solve for x
    x = 82,885,173.99/13,012.10
  6. Step 6: Final answer
    x = 6,369.85

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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.