Home / 20,103.89-27,734.27-12,552.10

Finding the Fourth Proportional to 20,103.89, 27,734.27 and 12,552.10

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Solution

The fourth proportional to 20,103.89, 27,734.27 and 12,552.10 is: 17,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,103.89 : 27,734.27 = 12,552.10 : x
  2. Step 2: Convert to fraction form
    20,103.89/27,734.27 = 12,552.10/x
  3. Step 3: Cross multiply
    20,103.89x = 27,734.27 × 12,552.10
  4. Step 4: Simplify right side
    20,103.89x = 348,123,198.37
  5. Step 5: Solve for x
    x = 348,123,198.37/20,103.89
  6. Step 6: Final answer
    x = 17,316.22

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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.