Home / 18,629.32-27,947.43-6,150.21

Finding the Fourth Proportional to 18,629.32, 27,947.43 and 6,150.21

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Solution

The fourth proportional to 18,629.32, 27,947.43 and 6,150.21 is: 9,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.32 : 27,947.43 = 6,150.21 : x
  2. Step 2: Convert to fraction form
    18,629.32/27,947.43 = 6,150.21/x
  3. Step 3: Cross multiply
    18,629.32x = 27,947.43 × 6,150.21
  4. Step 4: Simplify right side
    18,629.32x = 171,882,563.46
  5. Step 5: Solve for x
    x = 171,882,563.46/18,629.32
  6. Step 6: Final answer
    x = 9,226.46

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1.5x scale

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.