Home / 13,333.22-18,400.20-7,364.88

Finding the Fourth Proportional to 13,333.22, 18,400.20 and 7,364.88

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Solution

The fourth proportional to 13,333.22, 18,400.20 and 7,364.88 is: 10,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.22 : 18,400.20 = 7,364.88 : x
  2. Step 2: Convert to fraction form
    13,333.22/18,400.20 = 7,364.88/x
  3. Step 3: Cross multiply
    13,333.22x = 18,400.20 × 7,364.88
  4. Step 4: Simplify right side
    13,333.22x = 135,515,264.98
  5. Step 5: Solve for x
    x = 135,515,264.98/13,333.22
  6. Step 6: Final answer
    x = 10,163.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.