Home / 18,153.40-27,206.52-8,150.76

Finding the Fourth Proportional to 18,153.40, 27,206.52 and 8,150.76

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Solution

The fourth proportional to 18,153.40, 27,206.52 and 8,150.76 is: 12,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.40 : 27,206.52 = 8,150.76 : x
  2. Step 2: Convert to fraction form
    18,153.40/27,206.52 = 8,150.76/x
  3. Step 3: Cross multiply
    18,153.40x = 27,206.52 × 8,150.76
  4. Step 4: Simplify right side
    18,153.40x = 221,753,814.96
  5. Step 5: Solve for x
    x = 221,753,814.96/18,153.40
  6. Step 6: Final answer
    x = 12,215.55

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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.