Home / 9,971.80-13,761.58-5,495.96

Finding the Fourth Proportional to 9,971.80, 13,761.58 and 5,495.96

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Solution

The fourth proportional to 9,971.80, 13,761.58 and 5,495.96 is: 7,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.80 : 13,761.58 = 5,495.96 : x
  2. Step 2: Convert to fraction form
    9,971.80/13,761.58 = 5,495.96/x
  3. Step 3: Cross multiply
    9,971.80x = 13,761.58 × 5,495.96
  4. Step 4: Simplify right side
    9,971.80x = 75,633,093.22
  5. Step 5: Solve for x
    x = 75,633,093.22/9,971.80
  6. Step 6: Final answer
    x = 7,584.70

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1.5x scale

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.