Home / 12,004.11-18,014.67-4,213.53

Finding the Fourth Proportional to 12,004.11, 18,014.67 and 4,213.53

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Solution

The fourth proportional to 12,004.11, 18,014.67 and 4,213.53 is: 6,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.11 : 18,014.67 = 4,213.53 : x
  2. Step 2: Convert to fraction form
    12,004.11/18,014.67 = 4,213.53/x
  3. Step 3: Cross multiply
    12,004.11x = 18,014.67 × 4,213.53
  4. Step 4: Simplify right side
    12,004.11x = 75,905,352.49
  5. Step 5: Solve for x
    x = 75,905,352.49/12,004.11
  6. Step 6: Final answer
    x = 6,323.28

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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.