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Finding the Fourth Proportional to 13,335.39, 20,003.07 and 4,101.39

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Solution

The fourth proportional to 13,335.39, 20,003.07 and 4,101.39 is: 6,152.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.39 : 20,003.07 = 4,101.39 : x
  2. Step 2: Convert to fraction form
    13,335.39/20,003.07 = 4,101.39/x
  3. Step 3: Cross multiply
    13,335.39x = 20,003.07 × 4,101.39
  4. Step 4: Simplify right side
    13,335.39x = 82,040,391.27
  5. Step 5: Solve for x
    x = 82,040,391.27/13,335.39
  6. Step 6: Final answer
    x = 6,152.08

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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.