Home / 10,343.06-15,511.20-3,321.41

Finding the Fourth Proportional to 10,343.06, 15,511.20 and 3,321.41

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Solution

The fourth proportional to 10,343.06, 15,511.20 and 3,321.41 is: 4,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.06 : 15,511.20 = 3,321.41 : x
  2. Step 2: Convert to fraction form
    10,343.06/15,511.20 = 3,321.41/x
  3. Step 3: Cross multiply
    10,343.06x = 15,511.20 × 3,321.41
  4. Step 4: Simplify right side
    10,343.06x = 51,519,038.18
  5. Step 5: Solve for x
    x = 51,519,038.18/10,343.06
  6. Step 6: Final answer
    x = 4,981.02

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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.