Home / 15,701.03-21,668.07-8,627.50

Finding the Fourth Proportional to 15,701.03, 21,668.07 and 8,627.50

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Solution

The fourth proportional to 15,701.03, 21,668.07 and 8,627.50 is: 11,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.03 : 21,668.07 = 8,627.50 : x
  2. Step 2: Convert to fraction form
    15,701.03/21,668.07 = 8,627.50/x
  3. Step 3: Cross multiply
    15,701.03x = 21,668.07 × 8,627.50
  4. Step 4: Simplify right side
    15,701.03x = 186,941,273.93
  5. Step 5: Solve for x
    x = 186,941,273.93/15,701.03
  6. Step 6: Final answer
    x = 11,906.31

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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.