Home / 11,349.96-16,996.38-7,177.32

Finding the Fourth Proportional to 11,349.96, 16,996.38 and 7,177.32

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Solution

The fourth proportional to 11,349.96, 16,996.38 and 7,177.32 is: 10,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.96 : 16,996.38 = 7,177.32 : x
  2. Step 2: Convert to fraction form
    11,349.96/16,996.38 = 7,177.32/x
  3. Step 3: Cross multiply
    11,349.96x = 16,996.38 × 7,177.32
  4. Step 4: Simplify right side
    11,349.96x = 121,988,458.10
  5. Step 5: Solve for x
    x = 121,988,458.10/11,349.96
  6. Step 6: Final answer
    x = 10,747.92

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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.