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Finding the Fourth Proportional to 14,763.21, 22,046.94 and 12,974.73

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Solution

The fourth proportional to 14,763.21, 22,046.94 and 12,974.73 is: 19,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.21 : 22,046.94 = 12,974.73 : x
  2. Step 2: Convert to fraction form
    14,763.21/22,046.94 = 12,974.73/x
  3. Step 3: Cross multiply
    14,763.21x = 22,046.94 × 12,974.73
  4. Step 4: Simplify right side
    14,763.21x = 286,053,093.83
  5. Step 5: Solve for x
    x = 286,053,093.83/14,763.21
  6. Step 6: Final answer
    x = 19,376.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.