Home / 10,578.15-15,862.10-3,181.23

Finding the Fourth Proportional to 10,578.15, 15,862.10 and 3,181.23

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Solution

The fourth proportional to 10,578.15, 15,862.10 and 3,181.23 is: 4,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.15 : 15,862.10 = 3,181.23 : x
  2. Step 2: Convert to fraction form
    10,578.15/15,862.10 = 3,181.23/x
  3. Step 3: Cross multiply
    10,578.15x = 15,862.10 × 3,181.23
  4. Step 4: Simplify right side
    10,578.15x = 50,460,972.48
  5. Step 5: Solve for x
    x = 50,460,972.48/10,578.15
  6. Step 6: Final answer
    x = 4,770.30

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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.