Home / 13,393.50-20,091.48-5,494.18

Finding the Fourth Proportional to 13,393.50, 20,091.48 and 5,494.18

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Solution

The fourth proportional to 13,393.50, 20,091.48 and 5,494.18 is: 8,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.50 : 20,091.48 = 5,494.18 : x
  2. Step 2: Convert to fraction form
    13,393.50/20,091.48 = 5,494.18/x
  3. Step 3: Cross multiply
    13,393.50x = 20,091.48 × 5,494.18
  4. Step 4: Simplify right side
    13,393.50x = 110,386,207.59
  5. Step 5: Solve for x
    x = 110,386,207.59/13,393.50
  6. Step 6: Final answer
    x = 8,241.77

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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.