Home / 17,106.74-25,668.91-12,945.36

Finding the Fourth Proportional to 17,106.74, 25,668.91 and 12,945.36

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Solution

The fourth proportional to 17,106.74, 25,668.91 and 12,945.36 is: 19,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.74 : 25,668.91 = 12,945.36 : x
  2. Step 2: Convert to fraction form
    17,106.74/25,668.91 = 12,945.36/x
  3. Step 3: Cross multiply
    17,106.74x = 25,668.91 × 12,945.36
  4. Step 4: Simplify right side
    17,106.74x = 332,293,280.76
  5. Step 5: Solve for x
    x = 332,293,280.76/17,106.74
  6. Step 6: Final answer
    x = 19,424.70

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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.