Home / 18,217.46-27,315.24-12,356.30

Finding the Fourth Proportional to 18,217.46, 27,315.24 and 12,356.30

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Solution

The fourth proportional to 18,217.46, 27,315.24 and 12,356.30 is: 18,527.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.46 : 27,315.24 = 12,356.30 : x
  2. Step 2: Convert to fraction form
    18,217.46/27,315.24 = 12,356.30/x
  3. Step 3: Cross multiply
    18,217.46x = 27,315.24 × 12,356.30
  4. Step 4: Simplify right side
    18,217.46x = 337,515,300.01
  5. Step 5: Solve for x
    x = 337,515,300.01/18,217.46
  6. Step 6: Final answer
    x = 18,527.02

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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.