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Finding the Fourth Proportional to 18,633.97, 27,952.77 and 6,944.45

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Solution

The fourth proportional to 18,633.97, 27,952.77 and 6,944.45 is: 10,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.97 : 27,952.77 = 6,944.45 : x
  2. Step 2: Convert to fraction form
    18,633.97/27,952.77 = 6,944.45/x
  3. Step 3: Cross multiply
    18,633.97x = 27,952.77 × 6,944.45
  4. Step 4: Simplify right side
    18,633.97x = 194,116,613.63
  5. Step 5: Solve for x
    x = 194,116,613.63/18,633.97
  6. Step 6: Final answer
    x = 10,417.35

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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.