Home / 10,949.25-15,138.77-10,459.65

Finding the Fourth Proportional to 10,949.25, 15,138.77 and 10,459.65

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Solution

The fourth proportional to 10,949.25, 15,138.77 and 10,459.65 is: 14,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.25 : 15,138.77 = 10,459.65 : x
  2. Step 2: Convert to fraction form
    10,949.25/15,138.77 = 10,459.65/x
  3. Step 3: Cross multiply
    10,949.25x = 15,138.77 × 10,459.65
  4. Step 4: Simplify right side
    10,949.25x = 158,346,183.33
  5. Step 5: Solve for x
    x = 158,346,183.33/10,949.25
  6. Step 6: Final answer
    x = 14,461.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.