Home / 13,958.28-20,944.56-9,281.49

Finding the Fourth Proportional to 13,958.28, 20,944.56 and 9,281.49

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Solution

The fourth proportional to 13,958.28, 20,944.56 and 9,281.49 is: 13,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.28 : 20,944.56 = 9,281.49 : x
  2. Step 2: Convert to fraction form
    13,958.28/20,944.56 = 9,281.49/x
  3. Step 3: Cross multiply
    13,958.28x = 20,944.56 × 9,281.49
  4. Step 4: Simplify right side
    13,958.28x = 194,396,724.19
  5. Step 5: Solve for x
    x = 194,396,724.19/13,958.28
  6. Step 6: Final answer
    x = 13,926.98

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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.