Home / 10,121.63-15,173.24-3,544.22

Finding the Fourth Proportional to 10,121.63, 15,173.24 and 3,544.22

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Solution

The fourth proportional to 10,121.63, 15,173.24 and 3,544.22 is: 5,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.63 : 15,173.24 = 3,544.22 : x
  2. Step 2: Convert to fraction form
    10,121.63/15,173.24 = 3,544.22/x
  3. Step 3: Cross multiply
    10,121.63x = 15,173.24 × 3,544.22
  4. Step 4: Simplify right side
    10,121.63x = 53,777,320.88
  5. Step 5: Solve for x
    x = 53,777,320.88/10,121.63
  6. Step 6: Final answer
    x = 5,313.11

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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.