Home / 12,589.21-18,855.01-6,019.93

Finding the Fourth Proportional to 12,589.21, 18,855.01 and 6,019.93

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Solution

The fourth proportional to 12,589.21, 18,855.01 and 6,019.93 is: 9,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589.21 : 18,855.01 = 6,019.93 : x
  2. Step 2: Convert to fraction form
    12,589.21/18,855.01 = 6,019.93/x
  3. Step 3: Cross multiply
    12,589.21x = 18,855.01 × 6,019.93
  4. Step 4: Simplify right side
    12,589.21x = 113,505,840.35
  5. Step 5: Solve for x
    x = 113,505,840.35/12,589.21
  6. Step 6: Final answer
    x = 9,016.12

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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.