Home / 9,845.16-14,765.82-2,919.72

Finding the Fourth Proportional to 9,845.16, 14,765.82 and 2,919.72

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Solution

The fourth proportional to 9,845.16, 14,765.82 and 2,919.72 is: 4,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.16 : 14,765.82 = 2,919.72 : x
  2. Step 2: Convert to fraction form
    9,845.16/14,765.82 = 2,919.72/x
  3. Step 3: Cross multiply
    9,845.16x = 14,765.82 × 2,919.72
  4. Step 4: Simplify right side
    9,845.16x = 43,112,059.97
  5. Step 5: Solve for x
    x = 43,112,059.97/9,845.16
  6. Step 6: Final answer
    x = 4,379.01

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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.