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Finding the Fourth Proportional to 14,338.17, 19,787.09 and 8,370.09

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Solution

The fourth proportional to 14,338.17, 19,787.09 and 8,370.09 is: 11,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.17 : 19,787.09 = 8,370.09 : x
  2. Step 2: Convert to fraction form
    14,338.17/19,787.09 = 8,370.09/x
  3. Step 3: Cross multiply
    14,338.17x = 19,787.09 × 8,370.09
  4. Step 4: Simplify right side
    14,338.17x = 165,619,682.29
  5. Step 5: Solve for x
    x = 165,619,682.29/14,338.17
  6. Step 6: Final answer
    x = 11,550.96

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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.