Home / 10,115.88-15,175.44-4,273.35

Finding the Fourth Proportional to 10,115.88, 15,175.44 and 4,273.35

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Solution

The fourth proportional to 10,115.88, 15,175.44 and 4,273.35 is: 6,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.88 : 15,175.44 = 4,273.35 : x
  2. Step 2: Convert to fraction form
    10,115.88/15,175.44 = 4,273.35/x
  3. Step 3: Cross multiply
    10,115.88x = 15,175.44 × 4,273.35
  4. Step 4: Simplify right side
    10,115.88x = 64,849,966.52
  5. Step 5: Solve for x
    x = 64,849,966.52/10,115.88
  6. Step 6: Final answer
    x = 6,410.71

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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.