Home / 19,623.89-27,080.39-11,126.82

Finding the Fourth Proportional to 19,623.89, 27,080.39 and 11,126.82

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Solution

The fourth proportional to 19,623.89, 27,080.39 and 11,126.82 is: 15,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.89 : 27,080.39 = 11,126.82 : x
  2. Step 2: Convert to fraction form
    19,623.89/27,080.39 = 11,126.82/x
  3. Step 3: Cross multiply
    19,623.89x = 27,080.39 × 11,126.82
  4. Step 4: Simplify right side
    19,623.89x = 301,318,625.06
  5. Step 5: Solve for x
    x = 301,318,625.06/19,623.89
  6. Step 6: Final answer
    x = 15,354.69

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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.