Home / 14,342.06-21,511.37-3,812.87

Finding the Fourth Proportional to 14,342.06, 21,511.37 and 3,812.87

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Solution

The fourth proportional to 14,342.06, 21,511.37 and 3,812.87 is: 5,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.06 : 21,511.37 = 3,812.87 : x
  2. Step 2: Convert to fraction form
    14,342.06/21,511.37 = 3,812.87/x
  3. Step 3: Cross multiply
    14,342.06x = 21,511.37 × 3,812.87
  4. Step 4: Simplify right side
    14,342.06x = 82,020,120.64
  5. Step 5: Solve for x
    x = 82,020,120.64/14,342.06
  6. Step 6: Final answer
    x = 5,718.85

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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.