Home / 11,969.57-17,947.28-4,941.70

Finding the Fourth Proportional to 11,969.57, 17,947.28 and 4,941.70

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Solution

The fourth proportional to 11,969.57, 17,947.28 and 4,941.70 is: 7,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.57 : 17,947.28 = 4,941.70 : x
  2. Step 2: Convert to fraction form
    11,969.57/17,947.28 = 4,941.70/x
  3. Step 3: Cross multiply
    11,969.57x = 17,947.28 × 4,941.70
  4. Step 4: Simplify right side
    11,969.57x = 88,690,041.06
  5. Step 5: Solve for x
    x = 88,690,041.06/11,969.57
  6. Step 6: Final answer
    x = 7,409.63

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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.