Home / 14,665.39-21,994.68-8,743.94

Finding the Fourth Proportional to 14,665.39, 21,994.68 and 8,743.94

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Solution

The fourth proportional to 14,665.39, 21,994.68 and 8,743.94 is: 13,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.39 : 21,994.68 = 8,743.94 : x
  2. Step 2: Convert to fraction form
    14,665.39/21,994.68 = 8,743.94/x
  3. Step 3: Cross multiply
    14,665.39x = 21,994.68 × 8,743.94
  4. Step 4: Simplify right side
    14,665.39x = 192,320,167.54
  5. Step 5: Solve for x
    x = 192,320,167.54/14,665.39
  6. Step 6: Final answer
    x = 13,113.88

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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.