Home / 20,137.14-27,787.22-11,758.50

Finding the Fourth Proportional to 20,137.14, 27,787.22 and 11,758.50

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Solution

The fourth proportional to 20,137.14, 27,787.22 and 11,758.50 is: 16,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,137.14 : 27,787.22 = 11,758.50 : x
  2. Step 2: Convert to fraction form
    20,137.14/27,787.22 = 11,758.50/x
  3. Step 3: Cross multiply
    20,137.14x = 27,787.22 × 11,758.50
  4. Step 4: Simplify right side
    20,137.14x = 326,736,026.37
  5. Step 5: Solve for x
    x = 326,736,026.37/20,137.14
  6. Step 6: Final answer
    x = 16,225.54

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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.