Home / 11,620.71-17,426.70-4,223.34

Finding the Fourth Proportional to 11,620.71, 17,426.70 and 4,223.34

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Solution

The fourth proportional to 11,620.71, 17,426.70 and 4,223.34 is: 6,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.71 : 17,426.70 = 4,223.34 : x
  2. Step 2: Convert to fraction form
    11,620.71/17,426.70 = 4,223.34/x
  3. Step 3: Cross multiply
    11,620.71x = 17,426.70 × 4,223.34
  4. Step 4: Simplify right side
    11,620.71x = 73,598,879.18
  5. Step 5: Solve for x
    x = 73,598,879.18/11,620.71
  6. Step 6: Final answer
    x = 6,333.42

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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.