Home / 15,198.68-22,756.04-7,787.18

Finding the Fourth Proportional to 15,198.68, 22,756.04 and 7,787.18

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Solution

The fourth proportional to 15,198.68, 22,756.04 and 7,787.18 is: 11,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.68 : 22,756.04 = 7,787.18 : x
  2. Step 2: Convert to fraction form
    15,198.68/22,756.04 = 7,787.18/x
  3. Step 3: Cross multiply
    15,198.68x = 22,756.04 × 7,787.18
  4. Step 4: Simplify right side
    15,198.68x = 177,205,340.63
  5. Step 5: Solve for x
    x = 177,205,340.63/15,198.68
  6. Step 6: Final answer
    x = 11,659.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.