Home / 13,739.80-20,588.38-9,531.27

Finding the Fourth Proportional to 13,739.80, 20,588.38 and 9,531.27

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Solution

The fourth proportional to 13,739.80, 20,588.38 and 9,531.27 is: 14,282.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.80 : 20,588.38 = 9,531.27 : x
  2. Step 2: Convert to fraction form
    13,739.80/20,588.38 = 9,531.27/x
  3. Step 3: Cross multiply
    13,739.80x = 20,588.38 × 9,531.27
  4. Step 4: Simplify right side
    13,739.80x = 196,233,408.64
  5. Step 5: Solve for x
    x = 196,233,408.64/13,739.80
  6. Step 6: Final answer
    x = 14,282.12

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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.