Home / 11,027.48-16,541.22-7,129.76

Finding the Fourth Proportional to 11,027.48, 16,541.22 and 7,129.76

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Solution

The fourth proportional to 11,027.48, 16,541.22 and 7,129.76 is: 10,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.48 : 16,541.22 = 7,129.76 : x
  2. Step 2: Convert to fraction form
    11,027.48/16,541.22 = 7,129.76/x
  3. Step 3: Cross multiply
    11,027.48x = 16,541.22 × 7,129.76
  4. Step 4: Simplify right side
    11,027.48x = 117,934,928.71
  5. Step 5: Solve for x
    x = 117,934,928.71/11,027.48
  6. Step 6: Final answer
    x = 10,694.64

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Similar ratio
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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.