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Finding the Fourth Proportional to 12,141.01, 16,754.55 and 6,835.84

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Solution

The fourth proportional to 12,141.01, 16,754.55 and 6,835.84 is: 9,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.01 : 16,754.55 = 6,835.84 : x
  2. Step 2: Convert to fraction form
    12,141.01/16,754.55 = 6,835.84/x
  3. Step 3: Cross multiply
    12,141.01x = 16,754.55 × 6,835.84
  4. Step 4: Simplify right side
    12,141.01x = 114,531,423.07
  5. Step 5: Solve for x
    x = 114,531,423.07/12,141.01
  6. Step 6: Final answer
    x = 9,433.43

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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.