Home / 13,989.55-20,984.39-5,669.73

Finding the Fourth Proportional to 13,989.55, 20,984.39 and 5,669.73

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Solution

The fourth proportional to 13,989.55, 20,984.39 and 5,669.73 is: 8,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.55 : 20,984.39 = 5,669.73 : x
  2. Step 2: Convert to fraction form
    13,989.55/20,984.39 = 5,669.73/x
  3. Step 3: Cross multiply
    13,989.55x = 20,984.39 × 5,669.73
  4. Step 4: Simplify right side
    13,989.55x = 118,975,825.51
  5. Step 5: Solve for x
    x = 118,975,825.51/13,989.55
  6. Step 6: Final answer
    x = 8,504.62

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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.