Home / 14,093.68-21,140.52-3,705.52

Finding the Fourth Proportional to 14,093.68, 21,140.52 and 3,705.52

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Solution

The fourth proportional to 14,093.68, 21,140.52 and 3,705.52 is: 5,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.68 : 21,140.52 = 3,705.52 : x
  2. Step 2: Convert to fraction form
    14,093.68/21,140.52 = 3,705.52/x
  3. Step 3: Cross multiply
    14,093.68x = 21,140.52 × 3,705.52
  4. Step 4: Simplify right side
    14,093.68x = 78,336,619.67
  5. Step 5: Solve for x
    x = 78,336,619.67/14,093.68
  6. Step 6: Final answer
    x = 5,558.28

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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.