Home / 20,174.24-30,268.92-9,077.60

Finding the Fourth Proportional to 20,174.24, 30,268.92 and 9,077.60

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Solution

The fourth proportional to 20,174.24, 30,268.92 and 9,077.60 is: 13,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.24 : 30,268.92 = 9,077.60 : x
  2. Step 2: Convert to fraction form
    20,174.24/30,268.92 = 9,077.60/x
  3. Step 3: Cross multiply
    20,174.24x = 30,268.92 × 9,077.60
  4. Step 4: Simplify right side
    20,174.24x = 274,769,148.19
  5. Step 5: Solve for x
    x = 274,769,148.19/20,174.24
  6. Step 6: Final answer
    x = 13,619.80

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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.