Home / 14,626.80-21,891.06-12,166.56

Finding the Fourth Proportional to 14,626.80, 21,891.06 and 12,166.56

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Solution

The fourth proportional to 14,626.80, 21,891.06 and 12,166.56 is: 18,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.80 : 21,891.06 = 12,166.56 : x
  2. Step 2: Convert to fraction form
    14,626.80/21,891.06 = 12,166.56/x
  3. Step 3: Cross multiply
    14,626.80x = 21,891.06 × 12,166.56
  4. Step 4: Simplify right side
    14,626.80x = 266,338,894.95
  5. Step 5: Solve for x
    x = 266,338,894.95/14,626.80
  6. Step 6: Final answer
    x = 18,208.97

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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.