Home / 18,485.87-27,725.73-5,334.71

Finding the Fourth Proportional to 18,485.87, 27,725.73 and 5,334.71

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Solution

The fourth proportional to 18,485.87, 27,725.73 and 5,334.71 is: 8,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.87 : 27,725.73 = 5,334.71 : x
  2. Step 2: Convert to fraction form
    18,485.87/27,725.73 = 5,334.71/x
  3. Step 3: Cross multiply
    18,485.87x = 27,725.73 × 5,334.71
  4. Step 4: Simplify right side
    18,485.87x = 147,908,729.09
  5. Step 5: Solve for x
    x = 147,908,729.09/18,485.87
  6. Step 6: Final answer
    x = 8,001.18

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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.