Home / 18,818.18-28,219.07-6,334.85

Finding the Fourth Proportional to 18,818.18, 28,219.07 and 6,334.85

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Solution

The fourth proportional to 18,818.18, 28,219.07 and 6,334.85 is: 9,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.18 : 28,219.07 = 6,334.85 : x
  2. Step 2: Convert to fraction form
    18,818.18/28,219.07 = 6,334.85/x
  3. Step 3: Cross multiply
    18,818.18x = 28,219.07 × 6,334.85
  4. Step 4: Simplify right side
    18,818.18x = 178,763,626.34
  5. Step 5: Solve for x
    x = 178,763,626.34/18,818.18
  6. Step 6: Final answer
    x = 9,499.52

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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.