Home / 19,341.11-29,013.15-8,247.86

Finding the Fourth Proportional to 19,341.11, 29,013.15 and 8,247.86

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Solution

The fourth proportional to 19,341.11, 29,013.15 and 8,247.86 is: 12,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.11 : 29,013.15 = 8,247.86 : x
  2. Step 2: Convert to fraction form
    19,341.11/29,013.15 = 8,247.86/x
  3. Step 3: Cross multiply
    19,341.11x = 29,013.15 × 8,247.86
  4. Step 4: Simplify right side
    19,341.11x = 239,296,213.05
  5. Step 5: Solve for x
    x = 239,296,213.05/19,341.11
  6. Step 6: Final answer
    x = 12,372.41

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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.