Home / 14,920.85-22,379.61-3,827.81

Finding the Fourth Proportional to 14,920.85, 22,379.61 and 3,827.81

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Solution

The fourth proportional to 14,920.85, 22,379.61 and 3,827.81 is: 5,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.85 : 22,379.61 = 3,827.81 : x
  2. Step 2: Convert to fraction form
    14,920.85/22,379.61 = 3,827.81/x
  3. Step 3: Cross multiply
    14,920.85x = 22,379.61 × 3,827.81
  4. Step 4: Simplify right side
    14,920.85x = 85,664,894.95
  5. Step 5: Solve for x
    x = 85,664,894.95/14,920.85
  6. Step 6: Final answer
    x = 5,741.29

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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.