Home / 14,206.80-21,329.40-9,022.80

Finding the Fourth Proportional to 14,206.80, 21,329.40 and 9,022.80

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Solution

The fourth proportional to 14,206.80, 21,329.40 and 9,022.80 is: 13,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.80 : 21,329.40 = 9,022.80 : x
  2. Step 2: Convert to fraction form
    14,206.80/21,329.40 = 9,022.80/x
  3. Step 3: Cross multiply
    14,206.80x = 21,329.40 × 9,022.80
  4. Step 4: Simplify right side
    14,206.80x = 192,450,910.32
  5. Step 5: Solve for x
    x = 192,450,910.32/14,206.80
  6. Step 6: Final answer
    x = 13,546.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.