Home / 11,621.53-17,432.13-2,856.37

Finding the Fourth Proportional to 11,621.53, 17,432.13 and 2,856.37

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Solution

The fourth proportional to 11,621.53, 17,432.13 and 2,856.37 is: 4,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.53 : 17,432.13 = 2,856.37 : x
  2. Step 2: Convert to fraction form
    11,621.53/17,432.13 = 2,856.37/x
  3. Step 3: Cross multiply
    11,621.53x = 17,432.13 × 2,856.37
  4. Step 4: Simplify right side
    11,621.53x = 49,792,526.01
  5. Step 5: Solve for x
    x = 49,792,526.01/11,621.53
  6. Step 6: Final answer
    x = 4,284.51

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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.