Home / 12,093.39-18,139.95-3,328.29

Finding the Fourth Proportional to 12,093.39, 18,139.95 and 3,328.29

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Solution

The fourth proportional to 12,093.39, 18,139.95 and 3,328.29 is: 4,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.39 : 18,139.95 = 3,328.29 : x
  2. Step 2: Convert to fraction form
    12,093.39/18,139.95 = 3,328.29/x
  3. Step 3: Cross multiply
    12,093.39x = 18,139.95 × 3,328.29
  4. Step 4: Simplify right side
    12,093.39x = 60,375,014.19
  5. Step 5: Solve for x
    x = 60,375,014.19/12,093.39
  6. Step 6: Final answer
    x = 4,992.40

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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.