Home / 20,064.94-27,689.85-11,112.59

Finding the Fourth Proportional to 20,064.94, 27,689.85 and 11,112.59

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Solution

The fourth proportional to 20,064.94, 27,689.85 and 11,112.59 is: 15,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.94 : 27,689.85 = 11,112.59 : x
  2. Step 2: Convert to fraction form
    20,064.94/27,689.85 = 11,112.59/x
  3. Step 3: Cross multiply
    20,064.94x = 27,689.85 × 11,112.59
  4. Step 4: Simplify right side
    20,064.94x = 307,706,019.44
  5. Step 5: Solve for x
    x = 307,706,019.44/20,064.94
  6. Step 6: Final answer
    x = 15,335.51

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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.