Home / 18,840.09-28,260.42-5,692.59

Finding the Fourth Proportional to 18,840.09, 28,260.42 and 5,692.59

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Solution

The fourth proportional to 18,840.09, 28,260.42 and 5,692.59 is: 8,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.09 : 28,260.42 = 5,692.59 : x
  2. Step 2: Convert to fraction form
    18,840.09/28,260.42 = 5,692.59/x
  3. Step 3: Cross multiply
    18,840.09x = 28,260.42 × 5,692.59
  4. Step 4: Simplify right side
    18,840.09x = 160,874,984.29
  5. Step 5: Solve for x
    x = 160,874,984.29/18,840.09
  6. Step 6: Final answer
    x = 8,538.97

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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.