Home / 11,225.72-15,491.14-6,190.15

Finding the Fourth Proportional to 11,225.72, 15,491.14 and 6,190.15

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Solution

The fourth proportional to 11,225.72, 15,491.14 and 6,190.15 is: 8,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.72 : 15,491.14 = 6,190.15 : x
  2. Step 2: Convert to fraction form
    11,225.72/15,491.14 = 6,190.15/x
  3. Step 3: Cross multiply
    11,225.72x = 15,491.14 × 6,190.15
  4. Step 4: Simplify right side
    11,225.72x = 95,892,451.85
  5. Step 5: Solve for x
    x = 95,892,451.85/11,225.72
  6. Step 6: Final answer
    x = 8,542.21

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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.