Home / 13,336.44-18,394.06-8,025.72

Finding the Fourth Proportional to 13,336.44, 18,394.06 and 8,025.72

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Solution

The fourth proportional to 13,336.44, 18,394.06 and 8,025.72 is: 11,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.44 : 18,394.06 = 8,025.72 : x
  2. Step 2: Convert to fraction form
    13,336.44/18,394.06 = 8,025.72/x
  3. Step 3: Cross multiply
    13,336.44x = 18,394.06 × 8,025.72
  4. Step 4: Simplify right side
    13,336.44x = 147,625,575.22
  5. Step 5: Solve for x
    x = 147,625,575.22/13,336.44
  6. Step 6: Final answer
    x = 11,069.34

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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.