Home / 18,228.27-27,345.35-7,699.88

Finding the Fourth Proportional to 18,228.27, 27,345.35 and 7,699.88

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Solution

The fourth proportional to 18,228.27, 27,345.35 and 7,699.88 is: 11,551.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.27 : 27,345.35 = 7,699.88 : x
  2. Step 2: Convert to fraction form
    18,228.27/27,345.35 = 7,699.88/x
  3. Step 3: Cross multiply
    18,228.27x = 27,345.35 × 7,699.88
  4. Step 4: Simplify right side
    18,228.27x = 210,555,796.08
  5. Step 5: Solve for x
    x = 210,555,796.08/18,228.27
  6. Step 6: Final answer
    x = 11,551.06

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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.