Home / 18,809.24-28,197.30-7,113.92

Finding the Fourth Proportional to 18,809.24, 28,197.30 and 7,113.92

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Solution

The fourth proportional to 18,809.24, 28,197.30 and 7,113.92 is: 10,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809.24 : 28,197.30 = 7,113.92 : x
  2. Step 2: Convert to fraction form
    18,809.24/28,197.30 = 7,113.92/x
  3. Step 3: Cross multiply
    18,809.24x = 28,197.30 × 7,113.92
  4. Step 4: Simplify right side
    18,809.24x = 200,593,336.42
  5. Step 5: Solve for x
    x = 200,593,336.42/18,809.24
  6. Step 6: Final answer
    x = 10,664.62

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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.