Home / 10,125.53-15,181.08-3,880.26

Finding the Fourth Proportional to 10,125.53, 15,181.08 and 3,880.26

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Solution

The fourth proportional to 10,125.53, 15,181.08 and 3,880.26 is: 5,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.53 : 15,181.08 = 3,880.26 : x
  2. Step 2: Convert to fraction form
    10,125.53/15,181.08 = 3,880.26/x
  3. Step 3: Cross multiply
    10,125.53x = 15,181.08 × 3,880.26
  4. Step 4: Simplify right side
    10,125.53x = 58,906,537.48
  5. Step 5: Solve for x
    x = 58,906,537.48/10,125.53
  6. Step 6: Final answer
    x = 5,817.63

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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.