Home / 11,289.33-16,912.42-6,848.35

Finding the Fourth Proportional to 11,289.33, 16,912.42 and 6,848.35

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Solution

The fourth proportional to 11,289.33, 16,912.42 and 6,848.35 is: 10,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.33 : 16,912.42 = 6,848.35 : x
  2. Step 2: Convert to fraction form
    11,289.33/16,912.42 = 6,848.35/x
  3. Step 3: Cross multiply
    11,289.33x = 16,912.42 × 6,848.35
  4. Step 4: Simplify right side
    11,289.33x = 115,822,112.11
  5. Step 5: Solve for x
    x = 115,822,112.11/11,289.33
  6. Step 6: Final answer
    x = 10,259.43

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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.