Home / 21,998.25-33,003.45-6,415.88

Finding the Fourth Proportional to 21,998.25, 33,003.45 and 6,415.88

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Solution

The fourth proportional to 21,998.25, 33,003.45 and 6,415.88 is: 9,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.25 : 33,003.45 = 6,415.88 : x
  2. Step 2: Convert to fraction form
    21,998.25/33,003.45 = 6,415.88/x
  3. Step 3: Cross multiply
    21,998.25x = 33,003.45 × 6,415.88
  4. Step 4: Simplify right side
    21,998.25x = 211,746,009.77
  5. Step 5: Solve for x
    x = 211,746,009.77/21,998.25
  6. Step 6: Final answer
    x = 9,625.58

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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.