Home / 18,320.48-27,464.44-6,631.12

Finding the Fourth Proportional to 18,320.48, 27,464.44 and 6,631.12

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Solution

The fourth proportional to 18,320.48, 27,464.44 and 6,631.12 is: 9,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.48 : 27,464.44 = 6,631.12 : x
  2. Step 2: Convert to fraction form
    18,320.48/27,464.44 = 6,631.12/x
  3. Step 3: Cross multiply
    18,320.48x = 27,464.44 × 6,631.12
  4. Step 4: Simplify right side
    18,320.48x = 182,119,997.37
  5. Step 5: Solve for x
    x = 182,119,997.37/18,320.48
  6. Step 6: Final answer
    x = 9,940.79

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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.