Home / 13,169.39-19,736.46-7,237.35

Finding the Fourth Proportional to 13,169.39, 19,736.46 and 7,237.35

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Solution

The fourth proportional to 13,169.39, 19,736.46 and 7,237.35 is: 10,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.39 : 19,736.46 = 7,237.35 : x
  2. Step 2: Convert to fraction form
    13,169.39/19,736.46 = 7,237.35/x
  3. Step 3: Cross multiply
    13,169.39x = 19,736.46 × 7,237.35
  4. Step 4: Simplify right side
    13,169.39x = 142,839,668.78
  5. Step 5: Solve for x
    x = 142,839,668.78/13,169.39
  6. Step 6: Final answer
    x = 10,846.34

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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.