Home / 9,869.18-13,619.44-5,392.96

Finding the Fourth Proportional to 9,869.18, 13,619.44 and 5,392.96

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Solution

The fourth proportional to 9,869.18, 13,619.44 and 5,392.96 is: 7,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869.18 : 13,619.44 = 5,392.96 : x
  2. Step 2: Convert to fraction form
    9,869.18/13,619.44 = 5,392.96/x
  3. Step 3: Cross multiply
    9,869.18x = 13,619.44 × 5,392.96
  4. Step 4: Simplify right side
    9,869.18x = 73,449,144.44
  5. Step 5: Solve for x
    x = 73,449,144.44/9,869.18
  6. Step 6: Final answer
    x = 7,442.28

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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.