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Finding the Fourth Proportional to 34,099.92, 51,150.06 and 11,913.21

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Solution

The fourth proportional to 34,099.92, 51,150.06 and 11,913.21 is: 17,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,099.92 : 51,150.06 = 11,913.21 : x
  2. Step 2: Convert to fraction form
    34,099.92/51,150.06 = 11,913.21/x
  3. Step 3: Cross multiply
    34,099.92x = 51,150.06 × 11,913.21
  4. Step 4: Simplify right side
    34,099.92x = 609,361,406.29
  5. Step 5: Solve for x
    x = 609,361,406.29/34,099.92
  6. Step 6: Final answer
    x = 17,869.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.