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Finding the Fourth Proportional to 22,374.84, 30,877.78 and 12,302.64

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Solution

The fourth proportional to 22,374.84, 30,877.78 and 12,302.64 is: 16,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.84 : 30,877.78 = 12,302.64 : x
  2. Step 2: Convert to fraction form
    22,374.84/30,877.78 = 12,302.64/x
  3. Step 3: Cross multiply
    22,374.84x = 30,877.78 × 12,302.64
  4. Step 4: Simplify right side
    22,374.84x = 379,878,211.34
  5. Step 5: Solve for x
    x = 379,878,211.34/22,374.84
  6. Step 6: Final answer
    x = 16,977.92

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