Home / 22,479.46-33,715.96-7,686.20

Finding the Fourth Proportional to 22,479.46, 33,715.96 and 7,686.20

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Solution

The fourth proportional to 22,479.46, 33,715.96 and 7,686.20 is: 11,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.46 : 33,715.96 = 7,686.20 : x
  2. Step 2: Convert to fraction form
    22,479.46/33,715.96 = 7,686.20/x
  3. Step 3: Cross multiply
    22,479.46x = 33,715.96 × 7,686.20
  4. Step 4: Simplify right side
    22,479.46x = 259,147,611.75
  5. Step 5: Solve for x
    x = 259,147,611.75/22,479.46
  6. Step 6: Final answer
    x = 11,528.20

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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.