Home / 10,845.68-16,257.52-4,269.28

Finding the Fourth Proportional to 10,845.68, 16,257.52 and 4,269.28

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Solution

The fourth proportional to 10,845.68, 16,257.52 and 4,269.28 is: 6,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.68 : 16,257.52 = 4,269.28 : x
  2. Step 2: Convert to fraction form
    10,845.68/16,257.52 = 4,269.28/x
  3. Step 3: Cross multiply
    10,845.68x = 16,257.52 × 4,269.28
  4. Step 4: Simplify right side
    10,845.68x = 69,407,904.99
  5. Step 5: Solve for x
    x = 69,407,904.99/10,845.68
  6. Step 6: Final answer
    x = 6,399.59

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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.