Home / 13,112.26-19,668.81-4,346.92

Finding the Fourth Proportional to 13,112.26, 19,668.81 and 4,346.92

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Solution

The fourth proportional to 13,112.26, 19,668.81 and 4,346.92 is: 6,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.26 : 19,668.81 = 4,346.92 : x
  2. Step 2: Convert to fraction form
    13,112.26/19,668.81 = 4,346.92/x
  3. Step 3: Cross multiply
    13,112.26x = 19,668.81 × 4,346.92
  4. Step 4: Simplify right side
    13,112.26x = 85,498,743.57
  5. Step 5: Solve for x
    x = 85,498,743.57/13,112.26
  6. Step 6: Final answer
    x = 6,520.52

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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.