Home / 11,225.90-15,491.99-6,190.27

Finding the Fourth Proportional to 11,225.90, 15,491.99 and 6,190.27

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Solution

The fourth proportional to 11,225.90, 15,491.99 and 6,190.27 is: 8,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.90 : 15,491.99 = 6,190.27 : x
  2. Step 2: Convert to fraction form
    11,225.90/15,491.99 = 6,190.27/x
  3. Step 3: Cross multiply
    11,225.90x = 15,491.99 × 6,190.27
  4. Step 4: Simplify right side
    11,225.90x = 95,899,600.94
  5. Step 5: Solve for x
    x = 95,899,600.94/11,225.90
  6. Step 6: Final answer
    x = 8,542.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.