Home / 9,818.82-14,708.25-7,847.75

Finding the Fourth Proportional to 9,818.82, 14,708.25 and 7,847.75

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Solution

The fourth proportional to 9,818.82, 14,708.25 and 7,847.75 is: 11,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.82 : 14,708.25 = 7,847.75 : x
  2. Step 2: Convert to fraction form
    9,818.82/14,708.25 = 7,847.75/x
  3. Step 3: Cross multiply
    9,818.82x = 14,708.25 × 7,847.75
  4. Step 4: Simplify right side
    9,818.82x = 115,426,705.71
  5. Step 5: Solve for x
    x = 115,426,705.71/9,818.82
  6. Step 6: Final answer
    x = 11,755.66

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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.