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Finding the Fourth Proportional to 22,398.81, 33,603.08 and 6,816.03

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Solution

The fourth proportional to 22,398.81, 33,603.08 and 6,816.03 is: 10,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.81 : 33,603.08 = 6,816.03 : x
  2. Step 2: Convert to fraction form
    22,398.81/33,603.08 = 6,816.03/x
  3. Step 3: Cross multiply
    22,398.81x = 33,603.08 × 6,816.03
  4. Step 4: Simplify right side
    22,398.81x = 229,039,601.37
  5. Step 5: Solve for x
    x = 229,039,601.37/22,398.81
  6. Step 6: Final answer
    x = 10,225.53

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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.