Home / 20,073.06-27,699.99-11,120.94

Finding the Fourth Proportional to 20,073.06, 27,699.99 and 11,120.94

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Solution

The fourth proportional to 20,073.06, 27,699.99 and 11,120.94 is: 15,346.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.06 : 27,699.99 = 11,120.94 : x
  2. Step 2: Convert to fraction form
    20,073.06/27,699.99 = 11,120.94/x
  3. Step 3: Cross multiply
    20,073.06x = 27,699.99 × 11,120.94
  4. Step 4: Simplify right side
    20,073.06x = 308,049,926.79
  5. Step 5: Solve for x
    x = 308,049,926.79/20,073.06
  6. Step 6: Final answer
    x = 15,346.44

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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.