Home / 13,739.27-20,601.97-9,788.27

Finding the Fourth Proportional to 13,739.27, 20,601.97 and 9,788.27

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Solution

The fourth proportional to 13,739.27, 20,601.97 and 9,788.27 is: 14,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.27 : 20,601.97 = 9,788.27 : x
  2. Step 2: Convert to fraction form
    13,739.27/20,601.97 = 9,788.27/x
  3. Step 3: Cross multiply
    13,739.27x = 20,601.97 × 9,788.27
  4. Step 4: Simplify right side
    13,739.27x = 201,657,517.41
  5. Step 5: Solve for x
    x = 201,657,517.41/13,739.27
  6. Step 6: Final answer
    x = 14,677.46

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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.