Home / 14,229.72-21,344.76-3,841.68

Finding the Fourth Proportional to 14,229.72, 21,344.76 and 3,841.68

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Solution

The fourth proportional to 14,229.72, 21,344.76 and 3,841.68 is: 5,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.72 : 21,344.76 = 3,841.68 : x
  2. Step 2: Convert to fraction form
    14,229.72/21,344.76 = 3,841.68/x
  3. Step 3: Cross multiply
    14,229.72x = 21,344.76 × 3,841.68
  4. Step 4: Simplify right side
    14,229.72x = 81,999,737.60
  5. Step 5: Solve for x
    x = 81,999,737.60/14,229.72
  6. Step 6: Final answer
    x = 5,762.57

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1.5x scale

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.