Home / 18,692.54-28,043.25-5,365.70

Finding the Fourth Proportional to 18,692.54, 28,043.25 and 5,365.70

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Solution

The fourth proportional to 18,692.54, 28,043.25 and 5,365.70 is: 8,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.54 : 28,043.25 = 5,365.70 : x
  2. Step 2: Convert to fraction form
    18,692.54/28,043.25 = 5,365.70/x
  3. Step 3: Cross multiply
    18,692.54x = 28,043.25 × 5,365.70
  4. Step 4: Simplify right side
    18,692.54x = 150,471,666.53
  5. Step 5: Solve for x
    x = 150,471,666.53/18,692.54
  6. Step 6: Final answer
    x = 8,049.82

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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.