Home / 14,519.08-21,730.62-12,491.56

Finding the Fourth Proportional to 14,519.08, 21,730.62 and 12,491.56

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Solution

The fourth proportional to 14,519.08, 21,730.62 and 12,491.56 is: 18,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.08 : 21,730.62 = 12,491.56 : x
  2. Step 2: Convert to fraction form
    14,519.08/21,730.62 = 12,491.56/x
  3. Step 3: Cross multiply
    14,519.08x = 21,730.62 × 12,491.56
  4. Step 4: Simplify right side
    14,519.08x = 271,449,343.57
  5. Step 5: Solve for x
    x = 271,449,343.57/14,519.08
  6. Step 6: Final answer
    x = 18,696.04

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1.5x scale

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.