Home / 20,933.63-31,358.02-9,672.96

Finding the Fourth Proportional to 20,933.63, 31,358.02 and 9,672.96

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Solution

The fourth proportional to 20,933.63, 31,358.02 and 9,672.96 is: 14,489.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.63 : 31,358.02 = 9,672.96 : x
  2. Step 2: Convert to fraction form
    20,933.63/31,358.02 = 9,672.96/x
  3. Step 3: Cross multiply
    20,933.63x = 31,358.02 × 9,672.96
  4. Step 4: Simplify right side
    20,933.63x = 303,324,873.14
  5. Step 5: Solve for x
    x = 303,324,873.14/20,933.63
  6. Step 6: Final answer
    x = 14,489.84

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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.