Home / 18,710.38-28,059.39-6,226.96

Finding the Fourth Proportional to 18,710.38, 28,059.39 and 6,226.96

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Solution

The fourth proportional to 18,710.38, 28,059.39 and 6,226.96 is: 9,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.38 : 28,059.39 = 6,226.96 : x
  2. Step 2: Convert to fraction form
    18,710.38/28,059.39 = 6,226.96/x
  3. Step 3: Cross multiply
    18,710.38x = 28,059.39 × 6,226.96
  4. Step 4: Simplify right side
    18,710.38x = 174,724,699.15
  5. Step 5: Solve for x
    x = 174,724,699.15/18,710.38
  6. Step 6: Final answer
    x = 9,338.38

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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.