Home / 19,071.82-28,600.70-6,588.64

Finding the Fourth Proportional to 19,071.82, 28,600.70 and 6,588.64

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Solution

The fourth proportional to 19,071.82, 28,600.70 and 6,588.64 is: 9,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.82 : 28,600.70 = 6,588.64 : x
  2. Step 2: Convert to fraction form
    19,071.82/28,600.70 = 6,588.64/x
  3. Step 3: Cross multiply
    19,071.82x = 28,600.70 × 6,588.64
  4. Step 4: Simplify right side
    19,071.82x = 188,439,716.05
  5. Step 5: Solve for x
    x = 188,439,716.05/19,071.82
  6. Step 6: Final answer
    x = 9,880.53

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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.