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Finding the Fourth Proportional to 19,994.04, 29,970.99 and 6,837.41

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Solution

The fourth proportional to 19,994.04, 29,970.99 and 6,837.41 is: 10,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.04 : 29,970.99 = 6,837.41 : x
  2. Step 2: Convert to fraction form
    19,994.04/29,970.99 = 6,837.41/x
  3. Step 3: Cross multiply
    19,994.04x = 29,970.99 × 6,837.41
  4. Step 4: Simplify right side
    19,994.04x = 204,923,946.74
  5. Step 5: Solve for x
    x = 204,923,946.74/19,994.04
  6. Step 6: Final answer
    x = 10,249.25

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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.