Home / 12,256.69-18,385.05-3,491.62

Finding the Fourth Proportional to 12,256.69, 18,385.05 and 3,491.62

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Solution

The fourth proportional to 12,256.69, 18,385.05 and 3,491.62 is: 5,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.69 : 18,385.05 = 3,491.62 : x
  2. Step 2: Convert to fraction form
    12,256.69/18,385.05 = 3,491.62/x
  3. Step 3: Cross multiply
    12,256.69x = 18,385.05 × 3,491.62
  4. Step 4: Simplify right side
    12,256.69x = 64,193,608.28
  5. Step 5: Solve for x
    x = 64,193,608.28/12,256.69
  6. Step 6: Final answer
    x = 5,237.43

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Similar ratio
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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.