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Finding the Fourth Proportional to 14,414.25, 19,888.62 and 8,751.97

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Solution

The fourth proportional to 14,414.25, 19,888.62 and 8,751.97 is: 12,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.25 : 19,888.62 = 8,751.97 : x
  2. Step 2: Convert to fraction form
    14,414.25/19,888.62 = 8,751.97/x
  3. Step 3: Cross multiply
    14,414.25x = 19,888.62 × 8,751.97
  4. Step 4: Simplify right side
    14,414.25x = 174,064,605.58
  5. Step 5: Solve for x
    x = 174,064,605.58/14,414.25
  6. Step 6: Final answer
    x = 12,075.87

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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.