Home / 13,794.12-20,662.86-9,337.80

Finding the Fourth Proportional to 13,794.12, 20,662.86 and 9,337.80

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Solution

The fourth proportional to 13,794.12, 20,662.86 and 9,337.80 is: 13,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.12 : 20,662.86 = 9,337.80 : x
  2. Step 2: Convert to fraction form
    13,794.12/20,662.86 = 9,337.80/x
  3. Step 3: Cross multiply
    13,794.12x = 20,662.86 × 9,337.80
  4. Step 4: Simplify right side
    13,794.12x = 192,945,654.11
  5. Step 5: Solve for x
    x = 192,945,654.11/13,794.12
  6. Step 6: Final answer
    x = 13,987.53

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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.