Home / 13,383.93-20,076.22-4,499.39

Finding the Fourth Proportional to 13,383.93, 20,076.22 and 4,499.39

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Solution

The fourth proportional to 13,383.93, 20,076.22 and 4,499.39 is: 6,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.93 : 20,076.22 = 4,499.39 : x
  2. Step 2: Convert to fraction form
    13,383.93/20,076.22 = 4,499.39/x
  3. Step 3: Cross multiply
    13,383.93x = 20,076.22 × 4,499.39
  4. Step 4: Simplify right side
    13,383.93x = 90,330,743.51
  5. Step 5: Solve for x
    x = 90,330,743.51/13,383.93
  6. Step 6: Final answer
    x = 6,749.19

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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.