Home / 16,928.12-23,358.89-9,372.56

Finding the Fourth Proportional to 16,928.12, 23,358.89 and 9,372.56

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Solution

The fourth proportional to 16,928.12, 23,358.89 and 9,372.56 is: 12,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,928.12 : 23,358.89 = 9,372.56 : x
  2. Step 2: Convert to fraction form
    16,928.12/23,358.89 = 9,372.56/x
  3. Step 3: Cross multiply
    16,928.12x = 23,358.89 × 9,372.56
  4. Step 4: Simplify right side
    16,928.12x = 218,932,504.70
  5. Step 5: Solve for x
    x = 218,932,504.70/16,928.12
  6. Step 6: Final answer
    x = 12,933.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.