Home / 10,130.60-15,194.79-2,735.81

Finding the Fourth Proportional to 10,130.60, 15,194.79 and 2,735.81

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Solution

The fourth proportional to 10,130.60, 15,194.79 and 2,735.81 is: 4,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.60 : 15,194.79 = 2,735.81 : x
  2. Step 2: Convert to fraction form
    10,130.60/15,194.79 = 2,735.81/x
  3. Step 3: Cross multiply
    10,130.60x = 15,194.79 × 2,735.81
  4. Step 4: Simplify right side
    10,130.60x = 41,570,039.44
  5. Step 5: Solve for x
    x = 41,570,039.44/10,130.60
  6. Step 6: Final answer
    x = 4,103.41

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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.