Home / 13,536.87-20,308.83-5,636.89

Finding the Fourth Proportional to 13,536.87, 20,308.83 and 5,636.89

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Solution

The fourth proportional to 13,536.87, 20,308.83 and 5,636.89 is: 8,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.87 : 20,308.83 = 5,636.89 : x
  2. Step 2: Convert to fraction form
    13,536.87/20,308.83 = 5,636.89/x
  3. Step 3: Cross multiply
    13,536.87x = 20,308.83 × 5,636.89
  4. Step 4: Simplify right side
    13,536.87x = 114,478,644.99
  5. Step 5: Solve for x
    x = 114,478,644.99/13,536.87
  6. Step 6: Final answer
    x = 8,456.80

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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.