Home / 10,144.63-15,218.39-3,125.22

Finding the Fourth Proportional to 10,144.63, 15,218.39 and 3,125.22

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Solution

The fourth proportional to 10,144.63, 15,218.39 and 3,125.22 is: 4,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.63 : 15,218.39 = 3,125.22 : x
  2. Step 2: Convert to fraction form
    10,144.63/15,218.39 = 3,125.22/x
  3. Step 3: Cross multiply
    10,144.63x = 15,218.39 × 3,125.22
  4. Step 4: Simplify right side
    10,144.63x = 47,560,758.75
  5. Step 5: Solve for x
    x = 47,560,758.75/10,144.63
  6. Step 6: Final answer
    x = 4,688.27

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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.