Home / 11,979.54-17,969.31-4,586.27

Finding the Fourth Proportional to 11,979.54, 17,969.31 and 4,586.27

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Solution

The fourth proportional to 11,979.54, 17,969.31 and 4,586.27 is: 6,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.54 : 17,969.31 = 4,586.27 : x
  2. Step 2: Convert to fraction form
    11,979.54/17,969.31 = 4,586.27/x
  3. Step 3: Cross multiply
    11,979.54x = 17,969.31 × 4,586.27
  4. Step 4: Simplify right side
    11,979.54x = 82,412,017.53
  5. Step 5: Solve for x
    x = 82,412,017.53/11,979.54
  6. Step 6: Final answer
    x = 6,879.40

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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.