Home / 11,817.23-16,308.54-6,783.08

Finding the Fourth Proportional to 11,817.23, 16,308.54 and 6,783.08

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Solution

The fourth proportional to 11,817.23, 16,308.54 and 6,783.08 is: 9,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.23 : 16,308.54 = 6,783.08 : x
  2. Step 2: Convert to fraction form
    11,817.23/16,308.54 = 6,783.08/x
  3. Step 3: Cross multiply
    11,817.23x = 16,308.54 × 6,783.08
  4. Step 4: Simplify right side
    11,817.23x = 110,622,049.96
  5. Step 5: Solve for x
    x = 110,622,049.96/11,817.23
  6. Step 6: Final answer
    x = 9,361.09

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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.