Home / 18,622.45-27,896.27-8,613.17

Finding the Fourth Proportional to 18,622.45, 27,896.27 and 8,613.17

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Solution

The fourth proportional to 18,622.45, 27,896.27 and 8,613.17 is: 12,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.45 : 27,896.27 = 8,613.17 : x
  2. Step 2: Convert to fraction form
    18,622.45/27,896.27 = 8,613.17/x
  3. Step 3: Cross multiply
    18,622.45x = 27,896.27 × 8,613.17
  4. Step 4: Simplify right side
    18,622.45x = 240,275,272.81
  5. Step 5: Solve for x
    x = 240,275,272.81/18,622.45
  6. Step 6: Final answer
    x = 12,902.46

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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.