Home / 11,544.81-17,329.46-9,379.68

Finding the Fourth Proportional to 11,544.81, 17,329.46 and 9,379.68

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Solution

The fourth proportional to 11,544.81, 17,329.46 and 9,379.68 is: 14,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.81 : 17,329.46 = 9,379.68 : x
  2. Step 2: Convert to fraction form
    11,544.81/17,329.46 = 9,379.68/x
  3. Step 3: Cross multiply
    11,544.81x = 17,329.46 × 9,379.68
  4. Step 4: Simplify right side
    11,544.81x = 162,544,789.37
  5. Step 5: Solve for x
    x = 162,544,789.37/11,544.81
  6. Step 6: Final answer
    x = 14,079.47

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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.