Home / 18,340.84-25,310.46-10,787.49

Finding the Fourth Proportional to 18,340.84, 25,310.46 and 10,787.49

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Solution

The fourth proportional to 18,340.84, 25,310.46 and 10,787.49 is: 14,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.84 : 25,310.46 = 10,787.49 : x
  2. Step 2: Convert to fraction form
    18,340.84/25,310.46 = 10,787.49/x
  3. Step 3: Cross multiply
    18,340.84x = 25,310.46 × 10,787.49
  4. Step 4: Simplify right side
    18,340.84x = 273,036,297.84
  5. Step 5: Solve for x
    x = 273,036,297.84/18,340.84
  6. Step 6: Final answer
    x = 14,886.79

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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.