Home / 13,379.20-20,072.85-5,061.77

Finding the Fourth Proportional to 13,379.20, 20,072.85 and 5,061.77

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Solution

The fourth proportional to 13,379.20, 20,072.85 and 5,061.77 is: 7,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.20 : 20,072.85 = 5,061.77 : x
  2. Step 2: Convert to fraction form
    13,379.20/20,072.85 = 5,061.77/x
  3. Step 3: Cross multiply
    13,379.20x = 20,072.85 × 5,061.77
  4. Step 4: Simplify right side
    13,379.20x = 101,604,024.27
  5. Step 5: Solve for x
    x = 101,604,024.27/13,379.20
  6. Step 6: Final answer
    x = 7,594.18

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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.