Home / 16,647.87-22,947.38-11,268.62

Finding the Fourth Proportional to 16,647.87, 22,947.38 and 11,268.62

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Solution

The fourth proportional to 16,647.87, 22,947.38 and 11,268.62 is: 15,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,647.87 : 22,947.38 = 11,268.62 : x
  2. Step 2: Convert to fraction form
    16,647.87/22,947.38 = 11,268.62/x
  3. Step 3: Cross multiply
    16,647.87x = 22,947.38 × 11,268.62
  4. Step 4: Simplify right side
    16,647.87x = 258,585,262.45
  5. Step 5: Solve for x
    x = 258,585,262.45/16,647.87
  6. Step 6: Final answer
    x = 15,532.63

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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.