Home / 10,921.01-16,379.42-3,523.68

Finding the Fourth Proportional to 10,921.01, 16,379.42 and 3,523.68

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Solution

The fourth proportional to 10,921.01, 16,379.42 and 3,523.68 is: 5,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921.01 : 16,379.42 = 3,523.68 : x
  2. Step 2: Convert to fraction form
    10,921.01/16,379.42 = 3,523.68/x
  3. Step 3: Cross multiply
    10,921.01x = 16,379.42 × 3,523.68
  4. Step 4: Simplify right side
    10,921.01x = 57,715,817.05
  5. Step 5: Solve for x
    x = 57,715,817.05/10,921.01
  6. Step 6: Final answer
    x = 5,284.84

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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.