Home / 10,109.82-15,164.73-3,949.50

Finding the Fourth Proportional to 10,109.82, 15,164.73 and 3,949.50

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Solution

The fourth proportional to 10,109.82, 15,164.73 and 3,949.50 is: 5,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.82 : 15,164.73 = 3,949.50 : x
  2. Step 2: Convert to fraction form
    10,109.82/15,164.73 = 3,949.50/x
  3. Step 3: Cross multiply
    10,109.82x = 15,164.73 × 3,949.50
  4. Step 4: Simplify right side
    10,109.82x = 59,893,101.14
  5. Step 5: Solve for x
    x = 59,893,101.14/10,109.82
  6. Step 6: Final answer
    x = 5,924.25

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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.