Home / 18,347.74-27,525.17-7,817.56

Finding the Fourth Proportional to 18,347.74, 27,525.17 and 7,817.56

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Solution

The fourth proportional to 18,347.74, 27,525.17 and 7,817.56 is: 11,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.74 : 27,525.17 = 7,817.56 : x
  2. Step 2: Convert to fraction form
    18,347.74/27,525.17 = 7,817.56/x
  3. Step 3: Cross multiply
    18,347.74x = 27,525.17 × 7,817.56
  4. Step 4: Simplify right side
    18,347.74x = 215,179,667.99
  5. Step 5: Solve for x
    x = 215,179,667.99/18,347.74
  6. Step 6: Final answer
    x = 11,727.86

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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.