Home / 14,003.96-21,009.20-6,213.38

Finding the Fourth Proportional to 14,003.96, 21,009.20 and 6,213.38

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Solution

The fourth proportional to 14,003.96, 21,009.20 and 6,213.38 is: 9,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.96 : 21,009.20 = 6,213.38 : x
  2. Step 2: Convert to fraction form
    14,003.96/21,009.20 = 6,213.38/x
  3. Step 3: Cross multiply
    14,003.96x = 21,009.20 × 6,213.38
  4. Step 4: Simplify right side
    14,003.96x = 130,538,006.98
  5. Step 5: Solve for x
    x = 130,538,006.98/14,003.96
  6. Step 6: Final answer
    x = 9,321.51

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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.