Home / 12,003.98-16,564.97-6,698.75

Finding the Fourth Proportional to 12,003.98, 16,564.97 and 6,698.75

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Solution

The fourth proportional to 12,003.98, 16,564.97 and 6,698.75 is: 9,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.98 : 16,564.97 = 6,698.75 : x
  2. Step 2: Convert to fraction form
    12,003.98/16,564.97 = 6,698.75/x
  3. Step 3: Cross multiply
    12,003.98x = 16,564.97 × 6,698.75
  4. Step 4: Simplify right side
    12,003.98x = 110,964,476.47
  5. Step 5: Solve for x
    x = 110,964,476.47/12,003.98
  6. Step 6: Final answer
    x = 9,243.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.