Home / 14,189.22-21,283.82-6,388.92

Finding the Fourth Proportional to 14,189.22, 21,283.82 and 6,388.92

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Solution

The fourth proportional to 14,189.22, 21,283.82 and 6,388.92 is: 9,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.22 : 21,283.82 = 6,388.92 : x
  2. Step 2: Convert to fraction form
    14,189.22/21,283.82 = 6,388.92/x
  3. Step 3: Cross multiply
    14,189.22x = 21,283.82 × 6,388.92
  4. Step 4: Simplify right side
    14,189.22x = 135,980,623.27
  5. Step 5: Solve for x
    x = 135,980,623.27/14,189.22
  6. Step 6: Final answer
    x = 9,583.38

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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.