Home / 13,999.04-21,001.32-4,003.88

Finding the Fourth Proportional to 13,999.04, 21,001.32 and 4,003.88

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Solution

The fourth proportional to 13,999.04, 21,001.32 and 4,003.88 is: 6,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.04 : 21,001.32 = 4,003.88 : x
  2. Step 2: Convert to fraction form
    13,999.04/21,001.32 = 4,003.88/x
  3. Step 3: Cross multiply
    13,999.04x = 21,001.32 × 4,003.88
  4. Step 4: Simplify right side
    13,999.04x = 84,086,765.12
  5. Step 5: Solve for x
    x = 84,086,765.12/13,999.04
  6. Step 6: Final answer
    x = 6,006.61

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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.