Home / 15,677.03-21,634.67-8,963.28

Finding the Fourth Proportional to 15,677.03, 21,634.67 and 8,963.28

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Solution

The fourth proportional to 15,677.03, 21,634.67 and 8,963.28 is: 12,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.03 : 21,634.67 = 8,963.28 : x
  2. Step 2: Convert to fraction form
    15,677.03/21,634.67 = 8,963.28/x
  3. Step 3: Cross multiply
    15,677.03x = 21,634.67 × 8,963.28
  4. Step 4: Simplify right side
    15,677.03x = 193,917,627.33
  5. Step 5: Solve for x
    x = 193,917,627.33/15,677.03
  6. Step 6: Final answer
    x = 12,369.54

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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.