Home / 10,131.20-13,975.44-5,938.64

Finding the Fourth Proportional to 10,131.20, 13,975.44 and 5,938.64

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Solution

The fourth proportional to 10,131.20, 13,975.44 and 5,938.64 is: 8,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.20 : 13,975.44 = 5,938.64 : x
  2. Step 2: Convert to fraction form
    10,131.20/13,975.44 = 5,938.64/x
  3. Step 3: Cross multiply
    10,131.20x = 13,975.44 × 5,938.64
  4. Step 4: Simplify right side
    10,131.20x = 82,995,107.00
  5. Step 5: Solve for x
    x = 82,995,107.00/10,131.20
  6. Step 6: Final answer
    x = 8,192.03

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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.