Home / 10,125.21-15,186.76-2,729.22

Finding the Fourth Proportional to 10,125.21, 15,186.76 and 2,729.22

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Solution

The fourth proportional to 10,125.21, 15,186.76 and 2,729.22 is: 4,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.21 : 15,186.76 = 2,729.22 : x
  2. Step 2: Convert to fraction form
    10,125.21/15,186.76 = 2,729.22/x
  3. Step 3: Cross multiply
    10,125.21x = 15,186.76 × 2,729.22
  4. Step 4: Simplify right side
    10,125.21x = 41,448,012.54
  5. Step 5: Solve for x
    x = 41,448,012.54/10,125.21
  6. Step 6: Final answer
    x = 4,093.54

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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.