Home / 36,086.60-54,129.93-9,791.34

Finding the Fourth Proportional to 36,086.60, 54,129.93 and 9,791.34

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Solution

The fourth proportional to 36,086.60, 54,129.93 and 9,791.34 is: 14,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.60 : 54,129.93 = 9,791.34 : x
  2. Step 2: Convert to fraction form
    36,086.60/54,129.93 = 9,791.34/x
  3. Step 3: Cross multiply
    36,086.60x = 54,129.93 × 9,791.34
  4. Step 4: Simplify right side
    36,086.60x = 530,004,548.81
  5. Step 5: Solve for x
    x = 530,004,548.81/36,086.60
  6. Step 6: Final answer
    x = 14,687.02

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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.