Home / 16,813.82-23,205.71-11,087.98

Finding the Fourth Proportional to 16,813.82, 23,205.71 and 11,087.98

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Solution

The fourth proportional to 16,813.82, 23,205.71 and 11,087.98 is: 15,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.82 : 23,205.71 = 11,087.98 : x
  2. Step 2: Convert to fraction form
    16,813.82/23,205.71 = 11,087.98/x
  3. Step 3: Cross multiply
    16,813.82x = 23,205.71 × 11,087.98
  4. Step 4: Simplify right side
    16,813.82x = 257,304,418.07
  5. Step 5: Solve for x
    x = 257,304,418.07/16,813.82
  6. Step 6: Final answer
    x = 15,303.15

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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.