Home / 15,257.75-21,056.09-8,544.80

Finding the Fourth Proportional to 15,257.75, 21,056.09 and 8,544.80

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Solution

The fourth proportional to 15,257.75, 21,056.09 and 8,544.80 is: 11,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,257.75 : 21,056.09 = 8,544.80 : x
  2. Step 2: Convert to fraction form
    15,257.75/21,056.09 = 8,544.80/x
  3. Step 3: Cross multiply
    15,257.75x = 21,056.09 × 8,544.80
  4. Step 4: Simplify right side
    15,257.75x = 179,919,929.83
  5. Step 5: Solve for x
    x = 179,919,929.83/15,257.75
  6. Step 6: Final answer
    x = 11,792.04

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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.