Home / 18,744.20-28,116.62-5,596.72

Finding the Fourth Proportional to 18,744.20, 28,116.62 and 5,596.72

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Solution

The fourth proportional to 18,744.20, 28,116.62 and 5,596.72 is: 8,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.20 : 28,116.62 = 5,596.72 : x
  2. Step 2: Convert to fraction form
    18,744.20/28,116.62 = 5,596.72/x
  3. Step 3: Cross multiply
    18,744.20x = 28,116.62 × 5,596.72
  4. Step 4: Simplify right side
    18,744.20x = 157,360,849.49
  5. Step 5: Solve for x
    x = 157,360,849.49/18,744.20
  6. Step 6: Final answer
    x = 8,395.18

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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.