Home / 10,997.33-15,177.12-6,281.51

Finding the Fourth Proportional to 10,997.33, 15,177.12 and 6,281.51

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Solution

The fourth proportional to 10,997.33, 15,177.12 and 6,281.51 is: 8,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.33 : 15,177.12 = 6,281.51 : x
  2. Step 2: Convert to fraction form
    10,997.33/15,177.12 = 6,281.51/x
  3. Step 3: Cross multiply
    10,997.33x = 15,177.12 × 6,281.51
  4. Step 4: Simplify right side
    10,997.33x = 95,335,231.05
  5. Step 5: Solve for x
    x = 95,335,231.05/10,997.33
  6. Step 6: Final answer
    x = 8,668.94

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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.