Home / 10,186.10-15,280.12-3,610.73

Finding the Fourth Proportional to 10,186.10, 15,280.12 and 3,610.73

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Solution

The fourth proportional to 10,186.10, 15,280.12 and 3,610.73 is: 5,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.10 : 15,280.12 = 3,610.73 : x
  2. Step 2: Convert to fraction form
    10,186.10/15,280.12 = 3,610.73/x
  3. Step 3: Cross multiply
    10,186.10x = 15,280.12 × 3,610.73
  4. Step 4: Simplify right side
    10,186.10x = 55,172,293.23
  5. Step 5: Solve for x
    x = 55,172,293.23/10,186.10
  6. Step 6: Final answer
    x = 5,416.43

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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.