Home / 13,599.35-20,374.84-5,684.43

Finding the Fourth Proportional to 13,599.35, 20,374.84 and 5,684.43

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Solution

The fourth proportional to 13,599.35, 20,374.84 and 5,684.43 is: 8,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.35 : 20,374.84 = 5,684.43 : x
  2. Step 2: Convert to fraction form
    13,599.35/20,374.84 = 5,684.43/x
  3. Step 3: Cross multiply
    13,599.35x = 20,374.84 × 5,684.43
  4. Step 4: Simplify right side
    13,599.35x = 115,819,351.74
  5. Step 5: Solve for x
    x = 115,819,351.74/13,599.35
  6. Step 6: Final answer
    x = 8,516.54

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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.