Home / 18,836.82-28,253.61-7,150.14

Finding the Fourth Proportional to 18,836.82, 28,253.61 and 7,150.14

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Solution

The fourth proportional to 18,836.82, 28,253.61 and 7,150.14 is: 10,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.82 : 28,253.61 = 7,150.14 : x
  2. Step 2: Convert to fraction form
    18,836.82/28,253.61 = 7,150.14/x
  3. Step 3: Cross multiply
    18,836.82x = 28,253.61 × 7,150.14
  4. Step 4: Simplify right side
    18,836.82x = 202,017,267.01
  5. Step 5: Solve for x
    x = 202,017,267.01/18,836.82
  6. Step 6: Final answer
    x = 10,724.60

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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.