Home / 18,744.28-28,121.30-5,596.66

Finding the Fourth Proportional to 18,744.28, 28,121.30 and 5,596.66

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Solution

The fourth proportional to 18,744.28, 28,121.30 and 5,596.66 is: 8,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.28 : 28,121.30 = 5,596.66 : x
  2. Step 2: Convert to fraction form
    18,744.28/28,121.30 = 5,596.66/x
  3. Step 3: Cross multiply
    18,744.28x = 28,121.30 × 5,596.66
  4. Step 4: Simplify right side
    18,744.28x = 157,385,354.86
  5. Step 5: Solve for x
    x = 157,385,354.86/18,744.28
  6. Step 6: Final answer
    x = 8,396.45

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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.