Home / 18,234.84-27,347.70-5,086.68

Finding the Fourth Proportional to 18,234.84, 27,347.70 and 5,086.68

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Solution

The fourth proportional to 18,234.84, 27,347.70 and 5,086.68 is: 7,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.84 : 27,347.70 = 5,086.68 : x
  2. Step 2: Convert to fraction form
    18,234.84/27,347.70 = 5,086.68/x
  3. Step 3: Cross multiply
    18,234.84x = 27,347.70 × 5,086.68
  4. Step 4: Simplify right side
    18,234.84x = 139,108,998.64
  5. Step 5: Solve for x
    x = 139,108,998.64/18,234.84
  6. Step 6: Final answer
    x = 7,628.75

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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.