Home / 15,701.36-21,668.06-8,627.63

Finding the Fourth Proportional to 15,701.36, 21,668.06 and 8,627.63

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Solution

The fourth proportional to 15,701.36, 21,668.06 and 8,627.63 is: 11,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.36 : 21,668.06 = 8,627.63 : x
  2. Step 2: Convert to fraction form
    15,701.36/21,668.06 = 8,627.63/x
  3. Step 3: Cross multiply
    15,701.36x = 21,668.06 × 8,627.63
  4. Step 4: Simplify right side
    15,701.36x = 186,943,917.73
  5. Step 5: Solve for x
    x = 186,943,917.73/15,701.36
  6. Step 6: Final answer
    x = 11,906.23

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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.