Home / 13,473.30-20,191.43-6,885.73

Finding the Fourth Proportional to 13,473.30, 20,191.43 and 6,885.73

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Solution

The fourth proportional to 13,473.30, 20,191.43 and 6,885.73 is: 10,319.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.30 : 20,191.43 = 6,885.73 : x
  2. Step 2: Convert to fraction form
    13,473.30/20,191.43 = 6,885.73/x
  3. Step 3: Cross multiply
    13,473.30x = 20,191.43 × 6,885.73
  4. Step 4: Simplify right side
    13,473.30x = 139,032,625.44
  5. Step 5: Solve for x
    x = 139,032,625.44/13,473.30
  6. Step 6: Final answer
    x = 10,319.12

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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.