Home / 20,274.93-27,997.02-12,734.37

Finding the Fourth Proportional to 20,274.93, 27,997.02 and 12,734.37

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Solution

The fourth proportional to 20,274.93, 27,997.02 and 12,734.37 is: 17,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.93 : 27,997.02 = 12,734.37 : x
  2. Step 2: Convert to fraction form
    20,274.93/27,997.02 = 12,734.37/x
  3. Step 3: Cross multiply
    20,274.93x = 27,997.02 × 12,734.37
  4. Step 4: Simplify right side
    20,274.93x = 356,524,411.58
  5. Step 5: Solve for x
    x = 356,524,411.58/20,274.93
  6. Step 6: Final answer
    x = 17,584.50

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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.