Home / 11,289.81-16,896.94-11,140.46

Finding the Fourth Proportional to 11,289.81, 16,896.94 and 11,140.46

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Solution

The fourth proportional to 11,289.81, 16,896.94 and 11,140.46 is: 16,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.81 : 16,896.94 = 11,140.46 : x
  2. Step 2: Convert to fraction form
    11,289.81/16,896.94 = 11,140.46/x
  3. Step 3: Cross multiply
    11,289.81x = 16,896.94 × 11,140.46
  4. Step 4: Simplify right side
    11,289.81x = 188,239,684.19
  5. Step 5: Solve for x
    x = 188,239,684.19/11,289.81
  6. Step 6: Final answer
    x = 16,673.41

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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.