Home / 13,193.08-19,789.62-4,428.22

Finding the Fourth Proportional to 13,193.08, 19,789.62 and 4,428.22

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Solution

The fourth proportional to 13,193.08, 19,789.62 and 4,428.22 is: 6,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.08 : 19,789.62 = 4,428.22 : x
  2. Step 2: Convert to fraction form
    13,193.08/19,789.62 = 4,428.22/x
  3. Step 3: Cross multiply
    13,193.08x = 19,789.62 × 4,428.22
  4. Step 4: Simplify right side
    13,193.08x = 87,632,762.10
  5. Step 5: Solve for x
    x = 87,632,762.10/13,193.08
  6. Step 6: Final answer
    x = 6,642.33

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Similar ratio
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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.