Home / 13,370.54-20,147.74-11,081.94

Finding the Fourth Proportional to 13,370.54, 20,147.74 and 11,081.94

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Solution

The fourth proportional to 13,370.54, 20,147.74 and 11,081.94 is: 16,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.54 : 20,147.74 = 11,081.94 : x
  2. Step 2: Convert to fraction form
    13,370.54/20,147.74 = 11,081.94/x
  3. Step 3: Cross multiply
    13,370.54x = 20,147.74 × 11,081.94
  4. Step 4: Simplify right side
    13,370.54x = 223,275,999.22
  5. Step 5: Solve for x
    x = 223,275,999.22/13,370.54
  6. Step 6: Final answer
    x = 16,699.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.