Home / 13,216.09-19,830.60-5,819.62

Finding the Fourth Proportional to 13,216.09, 19,830.60 and 5,819.62

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Solution

The fourth proportional to 13,216.09, 19,830.60 and 5,819.62 is: 8,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.09 : 19,830.60 = 5,819.62 : x
  2. Step 2: Convert to fraction form
    13,216.09/19,830.60 = 5,819.62/x
  3. Step 3: Cross multiply
    13,216.09x = 19,830.60 × 5,819.62
  4. Step 4: Simplify right side
    13,216.09x = 115,406,556.37
  5. Step 5: Solve for x
    x = 115,406,556.37/13,216.09
  6. Step 6: Final answer
    x = 8,732.28

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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.