Home / 17,147.52-23,668.20-10,078.68

Finding the Fourth Proportional to 17,147.52, 23,668.20 and 10,078.68

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Solution

The fourth proportional to 17,147.52, 23,668.20 and 10,078.68 is: 13,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.52 : 23,668.20 = 10,078.68 : x
  2. Step 2: Convert to fraction form
    17,147.52/23,668.20 = 10,078.68/x
  3. Step 3: Cross multiply
    17,147.52x = 23,668.20 × 10,078.68
  4. Step 4: Simplify right side
    17,147.52x = 238,544,213.98
  5. Step 5: Solve for x
    x = 238,544,213.98/17,147.52
  6. Step 6: Final answer
    x = 13,911.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.