Home / 11,628.36-17,438.32-6,367.28

Finding the Fourth Proportional to 11,628.36, 17,438.32 and 6,367.28

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Solution

The fourth proportional to 11,628.36, 17,438.32 and 6,367.28 is: 9,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.36 : 17,438.32 = 6,367.28 : x
  2. Step 2: Convert to fraction form
    11,628.36/17,438.32 = 6,367.28/x
  3. Step 3: Cross multiply
    11,628.36x = 17,438.32 × 6,367.28
  4. Step 4: Simplify right side
    11,628.36x = 111,034,666.17
  5. Step 5: Solve for x
    x = 111,034,666.17/11,628.36
  6. Step 6: Final answer
    x = 9,548.61

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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.