Home / 36,286.63-54,427.51-9,991.60

Finding the Fourth Proportional to 36,286.63, 54,427.51 and 9,991.60

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Solution

The fourth proportional to 36,286.63, 54,427.51 and 9,991.60 is: 14,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.63 : 54,427.51 = 9,991.60 : x
  2. Step 2: Convert to fraction form
    36,286.63/54,427.51 = 9,991.60/x
  3. Step 3: Cross multiply
    36,286.63x = 54,427.51 × 9,991.60
  4. Step 4: Simplify right side
    36,286.63x = 543,817,908.92
  5. Step 5: Solve for x
    x = 543,817,908.92/36,286.63
  6. Step 6: Final answer
    x = 14,986.73

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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.