Home / 11,226.34-15,491.64-6,190.61

Finding the Fourth Proportional to 11,226.34, 15,491.64 and 6,190.61

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Solution

The fourth proportional to 11,226.34, 15,491.64 and 6,190.61 is: 8,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.34 : 15,491.64 = 6,190.61 : x
  2. Step 2: Convert to fraction form
    11,226.34/15,491.64 = 6,190.61/x
  3. Step 3: Cross multiply
    11,226.34x = 15,491.64 × 6,190.61
  4. Step 4: Simplify right side
    11,226.34x = 95,902,701.50
  5. Step 5: Solve for x
    x = 95,902,701.50/11,226.34
  6. Step 6: Final answer
    x = 8,542.65

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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.