Home / 14,858.78-20,505.60-8,144.97

Finding the Fourth Proportional to 14,858.78, 20,505.60 and 8,144.97

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Solution

The fourth proportional to 14,858.78, 20,505.60 and 8,144.97 is: 11,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.78 : 20,505.60 = 8,144.97 : x
  2. Step 2: Convert to fraction form
    14,858.78/20,505.60 = 8,144.97/x
  3. Step 3: Cross multiply
    14,858.78x = 20,505.60 × 8,144.97
  4. Step 4: Simplify right side
    14,858.78x = 167,017,496.83
  5. Step 5: Solve for x
    x = 167,017,496.83/14,858.78
  6. Step 6: Final answer
    x = 11,240.33

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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.