Home / 15,479.56-23,196.66-7,672.78

Finding the Fourth Proportional to 15,479.56, 23,196.66 and 7,672.78

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Solution

The fourth proportional to 15,479.56, 23,196.66 and 7,672.78 is: 11,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.56 : 23,196.66 = 7,672.78 : x
  2. Step 2: Convert to fraction form
    15,479.56/23,196.66 = 7,672.78/x
  3. Step 3: Cross multiply
    15,479.56x = 23,196.66 × 7,672.78
  4. Step 4: Simplify right side
    15,479.56x = 177,982,868.91
  5. Step 5: Solve for x
    x = 177,982,868.91/15,479.56
  6. Step 6: Final answer
    x = 11,497.93

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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.