Home / 16,912.55-23,338.50-9,358.75

Finding the Fourth Proportional to 16,912.55, 23,338.50 and 9,358.75

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Solution

The fourth proportional to 16,912.55, 23,338.50 and 9,358.75 is: 12,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.55 : 23,338.50 = 9,358.75 : x
  2. Step 2: Convert to fraction form
    16,912.55/23,338.50 = 9,358.75/x
  3. Step 3: Cross multiply
    16,912.55x = 23,338.50 × 9,358.75
  4. Step 4: Simplify right side
    16,912.55x = 218,419,128.53
  5. Step 5: Solve for x
    x = 218,419,128.53/16,912.55
  6. Step 6: Final answer
    x = 12,914.62

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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.