Home / 14,121.98-21,149.57-12,263.00

Finding the Fourth Proportional to 14,121.98, 21,149.57 and 12,263.00

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Solution

The fourth proportional to 14,121.98, 21,149.57 and 12,263.00 is: 18,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.98 : 21,149.57 = 12,263.00 : x
  2. Step 2: Convert to fraction form
    14,121.98/21,149.57 = 12,263.00/x
  3. Step 3: Cross multiply
    14,121.98x = 21,149.57 × 12,263.00
  4. Step 4: Simplify right side
    14,121.98x = 259,357,009.85
  5. Step 5: Solve for x
    x = 259,357,009.85/14,121.98
  6. Step 6: Final answer
    x = 18,365.49

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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.