Home / 10,997-15,176.05-5,961.39

Finding the Fourth Proportional to 10,997, 15,176.05 and 5,961.39

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Solution

The fourth proportional to 10,997, 15,176.05 and 5,961.39 is: 8,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997 : 15,176.05 = 5,961.39 : x
  2. Step 2: Convert to fraction form
    10,997/15,176.05 = 5,961.39/x
  3. Step 3: Cross multiply
    10,997x = 15,176.05 × 5,961.39
  4. Step 4: Simplify right side
    10,997x = 90,470,352.71
  5. Step 5: Solve for x
    x = 90,470,352.71/10,997
  6. Step 6: Final answer
    x = 8,226.82

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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.