Home / 14,133.80-21,194.30-5,365.80

Finding the Fourth Proportional to 14,133.80, 21,194.30 and 5,365.80

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Solution

The fourth proportional to 14,133.80, 21,194.30 and 5,365.80 is: 8,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.80 : 21,194.30 = 5,365.80 : x
  2. Step 2: Convert to fraction form
    14,133.80/21,194.30 = 5,365.80/x
  3. Step 3: Cross multiply
    14,133.80x = 21,194.30 × 5,365.80
  4. Step 4: Simplify right side
    14,133.80x = 113,724,374.94
  5. Step 5: Solve for x
    x = 113,724,374.94/14,133.80
  6. Step 6: Final answer
    x = 8,046.27

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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.