Home / 21,704.48-29,950.16-12,273.76

Finding the Fourth Proportional to 21,704.48, 29,950.16 and 12,273.76

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Solution

The fourth proportional to 21,704.48, 29,950.16 and 12,273.76 is: 16,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.48 : 29,950.16 = 12,273.76 : x
  2. Step 2: Convert to fraction form
    21,704.48/29,950.16 = 12,273.76/x
  3. Step 3: Cross multiply
    21,704.48x = 29,950.16 × 12,273.76
  4. Step 4: Simplify right side
    21,704.48x = 367,601,075.80
  5. Step 5: Solve for x
    x = 367,601,075.80/21,704.48
  6. Step 6: Final answer
    x = 16,936.65

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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.