Home / 18,709.38-28,057.89-6,225.96

Finding the Fourth Proportional to 18,709.38, 28,057.89 and 6,225.96

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Solution

The fourth proportional to 18,709.38, 28,057.89 and 6,225.96 is: 9,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.38 : 28,057.89 = 6,225.96 : x
  2. Step 2: Convert to fraction form
    18,709.38/28,057.89 = 6,225.96/x
  3. Step 3: Cross multiply
    18,709.38x = 28,057.89 × 6,225.96
  4. Step 4: Simplify right side
    18,709.38x = 174,687,300.82
  5. Step 5: Solve for x
    x = 174,687,300.82/18,709.38
  6. Step 6: Final answer
    x = 9,336.88

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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.