Home / 22,146.38-30,562.78-12,075.66

Finding the Fourth Proportional to 22,146.38, 30,562.78 and 12,075.66

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Solution

The fourth proportional to 22,146.38, 30,562.78 and 12,075.66 is: 16,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.38 : 30,562.78 = 12,075.66 : x
  2. Step 2: Convert to fraction form
    22,146.38/30,562.78 = 12,075.66/x
  3. Step 3: Cross multiply
    22,146.38x = 30,562.78 × 12,075.66
  4. Step 4: Simplify right side
    22,146.38x = 369,065,739.93
  5. Step 5: Solve for x
    x = 369,065,739.93/22,146.38
  6. Step 6: Final answer
    x = 16,664.83

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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.