Home / 11,011.19-16,519.48-5,160.96

Finding the Fourth Proportional to 11,011.19, 16,519.48 and 5,160.96

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Solution

The fourth proportional to 11,011.19, 16,519.48 and 5,160.96 is: 7,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.19 : 16,519.48 = 5,160.96 : x
  2. Step 2: Convert to fraction form
    11,011.19/16,519.48 = 5,160.96/x
  3. Step 3: Cross multiply
    11,011.19x = 16,519.48 × 5,160.96
  4. Step 4: Simplify right side
    11,011.19x = 85,256,362.60
  5. Step 5: Solve for x
    x = 85,256,362.60/11,011.19
  6. Step 6: Final answer
    x = 7,742.71

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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.