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Finding the Fourth Proportional to 19,479.96, 26,883.09 and 11,096.46

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Solution

The fourth proportional to 19,479.96, 26,883.09 and 11,096.46 is: 15,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.96 : 26,883.09 = 11,096.46 : x
  2. Step 2: Convert to fraction form
    19,479.96/26,883.09 = 11,096.46/x
  3. Step 3: Cross multiply
    19,479.96x = 26,883.09 × 11,096.46
  4. Step 4: Simplify right side
    19,479.96x = 298,307,132.86
  5. Step 5: Solve for x
    x = 298,307,132.86/19,479.96
  6. Step 6: Final answer
    x = 15,313.54

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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.