Home / 13,795.12-20,693.48-3,933.64

Finding the Fourth Proportional to 13,795.12, 20,693.48 and 3,933.64

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Solution

The fourth proportional to 13,795.12, 20,693.48 and 3,933.64 is: 5,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.12 : 20,693.48 = 3,933.64 : x
  2. Step 2: Convert to fraction form
    13,795.12/20,693.48 = 3,933.64/x
  3. Step 3: Cross multiply
    13,795.12x = 20,693.48 × 3,933.64
  4. Step 4: Simplify right side
    13,795.12x = 81,400,700.67
  5. Step 5: Solve for x
    x = 81,400,700.67/13,795.12
  6. Step 6: Final answer
    x = 5,900.69

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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.