Home / 10,725.48-14,811.86-8,843.45

Finding the Fourth Proportional to 10,725.48, 14,811.86 and 8,843.45

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Solution

The fourth proportional to 10,725.48, 14,811.86 and 8,843.45 is: 12,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.48 : 14,811.86 = 8,843.45 : x
  2. Step 2: Convert to fraction form
    10,725.48/14,811.86 = 8,843.45/x
  3. Step 3: Cross multiply
    10,725.48x = 14,811.86 × 8,843.45
  4. Step 4: Simplify right side
    10,725.48x = 130,987,891.37
  5. Step 5: Solve for x
    x = 130,987,891.37/10,725.48
  6. Step 6: Final answer
    x = 12,212.78

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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.