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Finding the Fourth Proportional to 16,548.84, 22,836.02 and 9,378.36

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Solution

The fourth proportional to 16,548.84, 22,836.02 and 9,378.36 is: 12,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,548.84 : 22,836.02 = 9,378.36 : x
  2. Step 2: Convert to fraction form
    16,548.84/22,836.02 = 9,378.36/x
  3. Step 3: Cross multiply
    16,548.84x = 22,836.02 × 9,378.36
  4. Step 4: Simplify right side
    16,548.84x = 214,164,416.53
  5. Step 5: Solve for x
    x = 214,164,416.53/16,548.84
  6. Step 6: Final answer
    x = 12,941.36

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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.