Home / 11,982.19-16,533.48-6,945.43

Finding the Fourth Proportional to 11,982.19, 16,533.48 and 6,945.43

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Solution

The fourth proportional to 11,982.19, 16,533.48 and 6,945.43 is: 9,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.19 : 16,533.48 = 6,945.43 : x
  2. Step 2: Convert to fraction form
    11,982.19/16,533.48 = 6,945.43/x
  3. Step 3: Cross multiply
    11,982.19x = 16,533.48 × 6,945.43
  4. Step 4: Simplify right side
    11,982.19x = 114,832,174.71
  5. Step 5: Solve for x
    x = 114,832,174.71/11,982.19
  6. Step 6: Final answer
    x = 9,583.57

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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.