Home / 10,181.08-15,271.92-3,611.80

Finding the Fourth Proportional to 10,181.08, 15,271.92 and 3,611.80

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Solution

The fourth proportional to 10,181.08, 15,271.92 and 3,611.80 is: 5,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.08 : 15,271.92 = 3,611.80 : x
  2. Step 2: Convert to fraction form
    10,181.08/15,271.92 = 3,611.80/x
  3. Step 3: Cross multiply
    10,181.08x = 15,271.92 × 3,611.80
  4. Step 4: Simplify right side
    10,181.08x = 55,159,120.66
  5. Step 5: Solve for x
    x = 55,159,120.66/10,181.08
  6. Step 6: Final answer
    x = 5,417.81

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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.