Home / 13,318.33-19,980.75-4,433.64

Finding the Fourth Proportional to 13,318.33, 19,980.75 and 4,433.64

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Solution

The fourth proportional to 13,318.33, 19,980.75 and 4,433.64 is: 6,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.33 : 19,980.75 = 4,433.64 : x
  2. Step 2: Convert to fraction form
    13,318.33/19,980.75 = 4,433.64/x
  3. Step 3: Cross multiply
    13,318.33x = 19,980.75 × 4,433.64
  4. Step 4: Simplify right side
    13,318.33x = 88,587,452.43
  5. Step 5: Solve for x
    x = 88,587,452.43/13,318.33
  6. Step 6: Final answer
    x = 6,651.54

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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.