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Finding the Fourth Proportional to 10,883.58, 15,014.07 and 6,684.54

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Solution

The fourth proportional to 10,883.58, 15,014.07 and 6,684.54 is: 9,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.58 : 15,014.07 = 6,684.54 : x
  2. Step 2: Convert to fraction form
    10,883.58/15,014.07 = 6,684.54/x
  3. Step 3: Cross multiply
    10,883.58x = 15,014.07 × 6,684.54
  4. Step 4: Simplify right side
    10,883.58x = 100,362,151.48
  5. Step 5: Solve for x
    x = 100,362,151.48/10,883.58
  6. Step 6: Final answer
    x = 9,221.43

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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.