Home / 10,169.85-15,254.97-2,775.09

Finding the Fourth Proportional to 10,169.85, 15,254.97 and 2,775.09

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Solution

The fourth proportional to 10,169.85, 15,254.97 and 2,775.09 is: 4,162.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.85 : 15,254.97 = 2,775.09 : x
  2. Step 2: Convert to fraction form
    10,169.85/15,254.97 = 2,775.09/x
  3. Step 3: Cross multiply
    10,169.85x = 15,254.97 × 2,775.09
  4. Step 4: Simplify right side
    10,169.85x = 42,333,914.70
  5. Step 5: Solve for x
    x = 42,333,914.70/10,169.85
  6. Step 6: Final answer
    x = 4,162.69

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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.