Home / 16,912.80-23,340.90-9,743.88

Finding the Fourth Proportional to 16,912.80, 23,340.90 and 9,743.88

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Solution

The fourth proportional to 16,912.80, 23,340.90 and 9,743.88 is: 13,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.80 : 23,340.90 = 9,743.88 : x
  2. Step 2: Convert to fraction form
    16,912.80/23,340.90 = 9,743.88/x
  3. Step 3: Cross multiply
    16,912.80x = 23,340.90 × 9,743.88
  4. Step 4: Simplify right side
    16,912.80x = 227,430,928.69
  5. Step 5: Solve for x
    x = 227,430,928.69/16,912.80
  6. Step 6: Final answer
    x = 13,447.27

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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.