Home / 14,269.80-19,687.49-8,296.56

Finding the Fourth Proportional to 14,269.80, 19,687.49 and 8,296.56

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Solution

The fourth proportional to 14,269.80, 19,687.49 and 8,296.56 is: 11,446.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.80 : 19,687.49 = 8,296.56 : x
  2. Step 2: Convert to fraction form
    14,269.80/19,687.49 = 8,296.56/x
  3. Step 3: Cross multiply
    14,269.80x = 19,687.49 × 8,296.56
  4. Step 4: Simplify right side
    14,269.80x = 163,338,431.66
  5. Step 5: Solve for x
    x = 163,338,431.66/14,269.80
  6. Step 6: Final answer
    x = 11,446.44

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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.