Home / 11,317.32-16,979.22-5,477.22

Finding the Fourth Proportional to 11,317.32, 16,979.22 and 5,477.22

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Solution

The fourth proportional to 11,317.32, 16,979.22 and 5,477.22 is: 8,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.32 : 16,979.22 = 5,477.22 : x
  2. Step 2: Convert to fraction form
    11,317.32/16,979.22 = 5,477.22/x
  3. Step 3: Cross multiply
    11,317.32x = 16,979.22 × 5,477.22
  4. Step 4: Simplify right side
    11,317.32x = 92,998,923.37
  5. Step 5: Solve for x
    x = 92,998,923.37/11,317.32
  6. Step 6: Final answer
    x = 8,217.40

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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.