Home / 12,659.75-18,993.72-6,086.45

Finding the Fourth Proportional to 12,659.75, 18,993.72 and 6,086.45

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Solution

The fourth proportional to 12,659.75, 18,993.72 and 6,086.45 is: 9,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.75 : 18,993.72 = 6,086.45 : x
  2. Step 2: Convert to fraction form
    12,659.75/18,993.72 = 6,086.45/x
  3. Step 3: Cross multiply
    12,659.75x = 18,993.72 × 6,086.45
  4. Step 4: Simplify right side
    12,659.75x = 115,604,232.13
  5. Step 5: Solve for x
    x = 115,604,232.13/12,659.75
  6. Step 6: Final answer
    x = 9,131.64

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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.