Home / 12,163.04-18,251.86-4,372.46

Finding the Fourth Proportional to 12,163.04, 18,251.86 and 4,372.46

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Solution

The fourth proportional to 12,163.04, 18,251.86 and 4,372.46 is: 6,561.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.04 : 18,251.86 = 4,372.46 : x
  2. Step 2: Convert to fraction form
    12,163.04/18,251.86 = 4,372.46/x
  3. Step 3: Cross multiply
    12,163.04x = 18,251.86 × 4,372.46
  4. Step 4: Simplify right side
    12,163.04x = 79,805,527.78
  5. Step 5: Solve for x
    x = 79,805,527.78/12,163.04
  6. Step 6: Final answer
    x = 6,561.31

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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.