Home / 10,127.06-15,194.97-5,441.60

Finding the Fourth Proportional to 10,127.06, 15,194.97 and 5,441.60

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Solution

The fourth proportional to 10,127.06, 15,194.97 and 5,441.60 is: 8,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.06 : 15,194.97 = 5,441.60 : x
  2. Step 2: Convert to fraction form
    10,127.06/15,194.97 = 5,441.60/x
  3. Step 3: Cross multiply
    10,127.06x = 15,194.97 × 5,441.60
  4. Step 4: Simplify right side
    10,127.06x = 82,684,948.75
  5. Step 5: Solve for x
    x = 82,684,948.75/10,127.06
  6. Step 6: Final answer
    x = 8,164.75

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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.