Home / 11,955.28-17,933.40-4,164.88

Finding the Fourth Proportional to 11,955.28, 17,933.40 and 4,164.88

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Solution

The fourth proportional to 11,955.28, 17,933.40 and 4,164.88 is: 6,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.28 : 17,933.40 = 4,164.88 : x
  2. Step 2: Convert to fraction form
    11,955.28/17,933.40 = 4,164.88/x
  3. Step 3: Cross multiply
    11,955.28x = 17,933.40 × 4,164.88
  4. Step 4: Simplify right side
    11,955.28x = 74,690,458.99
  5. Step 5: Solve for x
    x = 74,690,458.99/11,955.28
  6. Step 6: Final answer
    x = 6,247.49

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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.