Home / 12,734.28-19,106.46-4,945.32

Finding the Fourth Proportional to 12,734.28, 19,106.46 and 4,945.32

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Solution

The fourth proportional to 12,734.28, 19,106.46 and 4,945.32 is: 7,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.28 : 19,106.46 = 4,945.32 : x
  2. Step 2: Convert to fraction form
    12,734.28/19,106.46 = 4,945.32/x
  3. Step 3: Cross multiply
    12,734.28x = 19,106.46 × 4,945.32
  4. Step 4: Simplify right side
    12,734.28x = 94,487,558.77
  5. Step 5: Solve for x
    x = 94,487,558.77/12,734.28
  6. Step 6: Final answer
    x = 7,419.94

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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.