Home / 14,511.53-21,767.31-3,981.69

Finding the Fourth Proportional to 14,511.53, 21,767.31 and 3,981.69

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Solution

The fourth proportional to 14,511.53, 21,767.31 and 3,981.69 is: 5,972.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.53 : 21,767.31 = 3,981.69 : x
  2. Step 2: Convert to fraction form
    14,511.53/21,767.31 = 3,981.69/x
  3. Step 3: Cross multiply
    14,511.53x = 21,767.31 × 3,981.69
  4. Step 4: Simplify right side
    14,511.53x = 86,670,690.51
  5. Step 5: Solve for x
    x = 86,670,690.51/14,511.53
  6. Step 6: Final answer
    x = 5,972.54

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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.