Home / 9,743.70-14,619.60-3,171.90

Finding the Fourth Proportional to 9,743.70, 14,619.60 and 3,171.90

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Solution

The fourth proportional to 9,743.70, 14,619.60 and 3,171.90 is: 4,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,743.70 : 14,619.60 = 3,171.90 : x
  2. Step 2: Convert to fraction form
    9,743.70/14,619.60 = 3,171.90/x
  3. Step 3: Cross multiply
    9,743.70x = 14,619.60 × 3,171.90
  4. Step 4: Simplify right side
    9,743.70x = 46,371,909.24
  5. Step 5: Solve for x
    x = 46,371,909.24/9,743.70
  6. Step 6: Final answer
    x = 4,759.17

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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.