Home / 14,581.77-21,872.84-5,811.57

Finding the Fourth Proportional to 14,581.77, 21,872.84 and 5,811.57

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Solution

The fourth proportional to 14,581.77, 21,872.84 and 5,811.57 is: 8,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.77 : 21,872.84 = 5,811.57 : x
  2. Step 2: Convert to fraction form
    14,581.77/21,872.84 = 5,811.57/x
  3. Step 3: Cross multiply
    14,581.77x = 21,872.84 × 5,811.57
  4. Step 4: Simplify right side
    14,581.77x = 127,115,511.70
  5. Step 5: Solve for x
    x = 127,115,511.70/14,581.77
  6. Step 6: Final answer
    x = 8,717.43

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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.