Home / 18,260.86-27,406.83-7,175.30

Finding the Fourth Proportional to 18,260.86, 27,406.83 and 7,175.30

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Solution

The fourth proportional to 18,260.86, 27,406.83 and 7,175.30 is: 10,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.86 : 27,406.83 = 7,175.30 : x
  2. Step 2: Convert to fraction form
    18,260.86/27,406.83 = 7,175.30/x
  3. Step 3: Cross multiply
    18,260.86x = 27,406.83 × 7,175.30
  4. Step 4: Simplify right side
    18,260.86x = 196,652,054.39
  5. Step 5: Solve for x
    x = 196,652,054.39/18,260.86
  6. Step 6: Final answer
    x = 10,769.05

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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.