Home / 12,089.96-18,135.03-3,325.35

Finding the Fourth Proportional to 12,089.96, 18,135.03 and 3,325.35

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Solution

The fourth proportional to 12,089.96, 18,135.03 and 3,325.35 is: 4,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.96 : 18,135.03 = 3,325.35 : x
  2. Step 2: Convert to fraction form
    12,089.96/18,135.03 = 3,325.35/x
  3. Step 3: Cross multiply
    12,089.96x = 18,135.03 × 3,325.35
  4. Step 4: Simplify right side
    12,089.96x = 60,305,322.01
  5. Step 5: Solve for x
    x = 60,305,322.01/12,089.96
  6. Step 6: Final answer
    x = 4,988.05

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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.