Home / 10,491.58-15,733.39-3,469.49

Finding the Fourth Proportional to 10,491.58, 15,733.39 and 3,469.49

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Solution

The fourth proportional to 10,491.58, 15,733.39 and 3,469.49 is: 5,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.58 : 15,733.39 = 3,469.49 : x
  2. Step 2: Convert to fraction form
    10,491.58/15,733.39 = 3,469.49/x
  3. Step 3: Cross multiply
    10,491.58x = 15,733.39 × 3,469.49
  4. Step 4: Simplify right side
    10,491.58x = 54,586,839.27
  5. Step 5: Solve for x
    x = 54,586,839.27/10,491.58
  6. Step 6: Final answer
    x = 5,202.92

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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.