Home / 20,372.64-30,559.54-9,273.60

Finding the Fourth Proportional to 20,372.64, 30,559.54 and 9,273.60

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Solution

The fourth proportional to 20,372.64, 30,559.54 and 9,273.60 is: 13,910.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372.64 : 30,559.54 = 9,273.60 : x
  2. Step 2: Convert to fraction form
    20,372.64/30,559.54 = 9,273.60/x
  3. Step 3: Cross multiply
    20,372.64x = 30,559.54 × 9,273.60
  4. Step 4: Simplify right side
    20,372.64x = 283,396,950.14
  5. Step 5: Solve for x
    x = 283,396,950.14/20,372.64
  6. Step 6: Final answer
    x = 13,910.66

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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.