Home / 18,685.14-28,022.94-5,534.44

Finding the Fourth Proportional to 18,685.14, 28,022.94 and 5,534.44

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Solution

The fourth proportional to 18,685.14, 28,022.94 and 5,534.44 is: 8,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.14 : 28,022.94 = 5,534.44 : x
  2. Step 2: Convert to fraction form
    18,685.14/28,022.94 = 5,534.44/x
  3. Step 3: Cross multiply
    18,685.14x = 28,022.94 × 5,534.44
  4. Step 4: Simplify right side
    18,685.14x = 155,091,112.27
  5. Step 5: Solve for x
    x = 155,091,112.27/18,685.14
  6. Step 6: Final answer
    x = 8,300.24

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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.