Home / 10,409.56-15,611.98-3,012.36

Finding the Fourth Proportional to 10,409.56, 15,611.98 and 3,012.36

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Solution

The fourth proportional to 10,409.56, 15,611.98 and 3,012.36 is: 4,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.56 : 15,611.98 = 3,012.36 : x
  2. Step 2: Convert to fraction form
    10,409.56/15,611.98 = 3,012.36/x
  3. Step 3: Cross multiply
    10,409.56x = 15,611.98 × 3,012.36
  4. Step 4: Simplify right side
    10,409.56x = 47,028,904.07
  5. Step 5: Solve for x
    x = 47,028,904.07/10,409.56
  6. Step 6: Final answer
    x = 4,517.86

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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.