Home / 18,850.20-28,263.69-6,369.05

Finding the Fourth Proportional to 18,850.20, 28,263.69 and 6,369.05

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Solution

The fourth proportional to 18,850.20, 28,263.69 and 6,369.05 is: 9,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.20 : 28,263.69 = 6,369.05 : x
  2. Step 2: Convert to fraction form
    18,850.20/28,263.69 = 6,369.05/x
  3. Step 3: Cross multiply
    18,850.20x = 28,263.69 × 6,369.05
  4. Step 4: Simplify right side
    18,850.20x = 180,012,713.48
  5. Step 5: Solve for x
    x = 180,012,713.48/18,850.20
  6. Step 6: Final answer
    x = 9,549.64

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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.