Home / 22,310.12-30,787.75-12,238.36

Finding the Fourth Proportional to 22,310.12, 30,787.75 and 12,238.36

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Solution

The fourth proportional to 22,310.12, 30,787.75 and 12,238.36 is: 16,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.12 : 30,787.75 = 12,238.36 : x
  2. Step 2: Convert to fraction form
    22,310.12/30,787.75 = 12,238.36/x
  3. Step 3: Cross multiply
    22,310.12x = 30,787.75 × 12,238.36
  4. Step 4: Simplify right side
    22,310.12x = 376,791,568.09
  5. Step 5: Solve for x
    x = 376,791,568.09/22,310.12
  6. Step 6: Final answer
    x = 16,888.82

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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.