Home / 18,742.20-28,119.39-5,594.68

Finding the Fourth Proportional to 18,742.20, 28,119.39 and 5,594.68

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Solution

The fourth proportional to 18,742.20, 28,119.39 and 5,594.68 is: 8,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.20 : 28,119.39 = 5,594.68 : x
  2. Step 2: Convert to fraction form
    18,742.20/28,119.39 = 5,594.68/x
  3. Step 3: Cross multiply
    18,742.20x = 28,119.39 × 5,594.68
  4. Step 4: Simplify right side
    18,742.20x = 157,318,988.85
  5. Step 5: Solve for x
    x = 157,318,988.85/18,742.20
  6. Step 6: Final answer
    x = 8,393.84

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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.