Home / 18,692.12-28,043.58-5,544.81

Finding the Fourth Proportional to 18,692.12, 28,043.58 and 5,544.81

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Solution

The fourth proportional to 18,692.12, 28,043.58 and 5,544.81 is: 8,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.12 : 28,043.58 = 5,544.81 : x
  2. Step 2: Convert to fraction form
    18,692.12/28,043.58 = 5,544.81/x
  3. Step 3: Cross multiply
    18,692.12x = 28,043.58 × 5,544.81
  4. Step 4: Simplify right side
    18,692.12x = 155,496,322.82
  5. Step 5: Solve for x
    x = 155,496,322.82/18,692.12
  6. Step 6: Final answer
    x = 8,318.82

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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.