Home / 14,611.27-21,936.35-7,690.63

Finding the Fourth Proportional to 14,611.27, 21,936.35 and 7,690.63

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Solution

The fourth proportional to 14,611.27, 21,936.35 and 7,690.63 is: 11,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.27 : 21,936.35 = 7,690.63 : x
  2. Step 2: Convert to fraction form
    14,611.27/21,936.35 = 7,690.63/x
  3. Step 3: Cross multiply
    14,611.27x = 21,936.35 × 7,690.63
  4. Step 4: Simplify right side
    14,611.27x = 168,704,351.40
  5. Step 5: Solve for x
    x = 168,704,351.40/14,611.27
  6. Step 6: Final answer
    x = 11,546.18

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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.