Home / 10,198-14,068.98-6,217.60

Finding the Fourth Proportional to 10,198, 14,068.98 and 6,217.60

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Solution

The fourth proportional to 10,198, 14,068.98 and 6,217.60 is: 8,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198 : 14,068.98 = 6,217.60 : x
  2. Step 2: Convert to fraction form
    10,198/14,068.98 = 6,217.60/x
  3. Step 3: Cross multiply
    10,198x = 14,068.98 × 6,217.60
  4. Step 4: Simplify right side
    10,198x = 87,475,290.05
  5. Step 5: Solve for x
    x = 87,475,290.05/10,198
  6. Step 6: Final answer
    x = 8,577.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.