Home / 14,795.82-20,418.67-8,081.81

Finding the Fourth Proportional to 14,795.82, 20,418.67 and 8,081.81

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Solution

The fourth proportional to 14,795.82, 20,418.67 and 8,081.81 is: 11,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,795.82 : 20,418.67 = 8,081.81 : x
  2. Step 2: Convert to fraction form
    14,795.82/20,418.67 = 8,081.81/x
  3. Step 3: Cross multiply
    14,795.82x = 20,418.67 × 8,081.81
  4. Step 4: Simplify right side
    14,795.82x = 165,019,709.30
  5. Step 5: Solve for x
    x = 165,019,709.30/14,795.82
  6. Step 6: Final answer
    x = 11,153.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.