Home / 13,634.94-20,433.45-6,220.86

Finding the Fourth Proportional to 13,634.94, 20,433.45 and 6,220.86

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Solution

The fourth proportional to 13,634.94, 20,433.45 and 6,220.86 is: 9,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.94 : 20,433.45 = 6,220.86 : x
  2. Step 2: Convert to fraction form
    13,634.94/20,433.45 = 6,220.86/x
  3. Step 3: Cross multiply
    13,634.94x = 20,433.45 × 6,220.86
  4. Step 4: Simplify right side
    13,634.94x = 127,113,631.77
  5. Step 5: Solve for x
    x = 127,113,631.77/13,634.94
  6. Step 6: Final answer
    x = 9,322.64

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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.