Home / 16,754.28-23,121.12-9,199.50

Finding the Fourth Proportional to 16,754.28, 23,121.12 and 9,199.50

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Solution

The fourth proportional to 16,754.28, 23,121.12 and 9,199.50 is: 12,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.28 : 23,121.12 = 9,199.50 : x
  2. Step 2: Convert to fraction form
    16,754.28/23,121.12 = 9,199.50/x
  3. Step 3: Cross multiply
    16,754.28x = 23,121.12 × 9,199.50
  4. Step 4: Simplify right side
    16,754.28x = 212,702,743.44
  5. Step 5: Solve for x
    x = 212,702,743.44/16,754.28
  6. Step 6: Final answer
    x = 12,695.43

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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.