Home / 10,130.20-15,181.56-3,884.44

Finding the Fourth Proportional to 10,130.20, 15,181.56 and 3,884.44

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Solution

The fourth proportional to 10,130.20, 15,181.56 and 3,884.44 is: 5,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.20 : 15,181.56 = 3,884.44 : x
  2. Step 2: Convert to fraction form
    10,130.20/15,181.56 = 3,884.44/x
  3. Step 3: Cross multiply
    10,130.20x = 15,181.56 × 3,884.44
  4. Step 4: Simplify right side
    10,130.20x = 58,971,858.93
  5. Step 5: Solve for x
    x = 58,971,858.93/10,130.20
  6. Step 6: Final answer
    x = 5,821.39

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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.