Home / 10,753.68-16,124.37-4,172.19

Finding the Fourth Proportional to 10,753.68, 16,124.37 and 4,172.19

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Solution

The fourth proportional to 10,753.68, 16,124.37 and 4,172.19 is: 6,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753.68 : 16,124.37 = 4,172.19 : x
  2. Step 2: Convert to fraction form
    10,753.68/16,124.37 = 4,172.19/x
  3. Step 3: Cross multiply
    10,753.68x = 16,124.37 × 4,172.19
  4. Step 4: Simplify right side
    10,753.68x = 67,273,935.27
  5. Step 5: Solve for x
    x = 67,273,935.27/10,753.68
  6. Step 6: Final answer
    x = 6,255.90

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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.