Home / 13,663.35-20,496.22-4,177.81

Finding the Fourth Proportional to 13,663.35, 20,496.22 and 4,177.81

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Solution

The fourth proportional to 13,663.35, 20,496.22 and 4,177.81 is: 6,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.35 : 20,496.22 = 4,177.81 : x
  2. Step 2: Convert to fraction form
    13,663.35/20,496.22 = 4,177.81/x
  3. Step 3: Cross multiply
    13,663.35x = 20,496.22 × 4,177.81
  4. Step 4: Simplify right side
    13,663.35x = 85,629,272.08
  5. Step 5: Solve for x
    x = 85,629,272.08/13,663.35
  6. Step 6: Final answer
    x = 6,267.08

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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.