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Finding the Fourth Proportional to 22,554.78, 33,840.06 and 6,972.39

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Solution

The fourth proportional to 22,554.78, 33,840.06 and 6,972.39 is: 10,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.78 : 33,840.06 = 6,972.39 : x
  2. Step 2: Convert to fraction form
    22,554.78/33,840.06 = 6,972.39/x
  3. Step 3: Cross multiply
    22,554.78x = 33,840.06 × 6,972.39
  4. Step 4: Simplify right side
    22,554.78x = 235,946,095.94
  5. Step 5: Solve for x
    x = 235,946,095.94/22,554.78
  6. Step 6: Final answer
    x = 10,461.02

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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.