Home / 10,954.35-16,431.53-10,109.55

Finding the Fourth Proportional to 10,954.35, 16,431.53 and 10,109.55

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Solution

The fourth proportional to 10,954.35, 16,431.53 and 10,109.55 is: 15,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.35 : 16,431.53 = 10,109.55 : x
  2. Step 2: Convert to fraction form
    10,954.35/16,431.53 = 10,109.55/x
  3. Step 3: Cross multiply
    10,954.35x = 16,431.53 × 10,109.55
  4. Step 4: Simplify right side
    10,954.35x = 166,115,323.56
  5. Step 5: Solve for x
    x = 166,115,323.56/10,954.35
  6. Step 6: Final answer
    x = 15,164.33

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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.