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Finding the Fourth Proportional to 18,417.82, 27,626.70 and 4,566.82

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Solution

The fourth proportional to 18,417.82, 27,626.70 and 4,566.82 is: 6,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.82 : 27,626.70 = 4,566.82 : x
  2. Step 2: Convert to fraction form
    18,417.82/27,626.70 = 4,566.82/x
  3. Step 3: Cross multiply
    18,417.82x = 27,626.70 × 4,566.82
  4. Step 4: Simplify right side
    18,417.82x = 126,166,166.09
  5. Step 5: Solve for x
    x = 126,166,166.09/18,417.82
  6. Step 6: Final answer
    x = 6,850.22

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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.