Home / 11,226.22-15,491.47-6,190.48

Finding the Fourth Proportional to 11,226.22, 15,491.47 and 6,190.48

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Solution

The fourth proportional to 11,226.22, 15,491.47 and 6,190.48 is: 8,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.22 : 15,491.47 = 6,190.48 : x
  2. Step 2: Convert to fraction form
    11,226.22/15,491.47 = 6,190.48/x
  3. Step 3: Cross multiply
    11,226.22x = 15,491.47 × 6,190.48
  4. Step 4: Simplify right side
    11,226.22x = 95,899,526.80
  5. Step 5: Solve for x
    x = 95,899,526.80/11,226.22
  6. Step 6: Final answer
    x = 8,542.46

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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.