Home / 18,692.32-28,033.60-5,541.16

Finding the Fourth Proportional to 18,692.32, 28,033.60 and 5,541.16

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Solution

The fourth proportional to 18,692.32, 28,033.60 and 5,541.16 is: 8,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.32 : 28,033.60 = 5,541.16 : x
  2. Step 2: Convert to fraction form
    18,692.32/28,033.60 = 5,541.16/x
  3. Step 3: Cross multiply
    18,692.32x = 28,033.60 × 5,541.16
  4. Step 4: Simplify right side
    18,692.32x = 155,338,662.98
  5. Step 5: Solve for x
    x = 155,338,662.98/18,692.32
  6. Step 6: Final answer
    x = 8,310.29

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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.