Home / 13,487.99-20,236.83-6,086.81

Finding the Fourth Proportional to 13,487.99, 20,236.83 and 6,086.81

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Solution

The fourth proportional to 13,487.99, 20,236.83 and 6,086.81 is: 9,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.99 : 20,236.83 = 6,086.81 : x
  2. Step 2: Convert to fraction form
    13,487.99/20,236.83 = 6,086.81/x
  3. Step 3: Cross multiply
    13,487.99x = 20,236.83 × 6,086.81
  4. Step 4: Simplify right side
    13,487.99x = 123,177,739.21
  5. Step 5: Solve for x
    x = 123,177,739.21/13,487.99
  6. Step 6: Final answer
    x = 9,132.40

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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.