Home / 22,146.97-30,562.44-12,075.49

Finding the Fourth Proportional to 22,146.97, 30,562.44 and 12,075.49

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Solution

The fourth proportional to 22,146.97, 30,562.44 and 12,075.49 is: 16,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.97 : 30,562.44 = 12,075.49 : x
  2. Step 2: Convert to fraction form
    22,146.97/30,562.44 = 12,075.49/x
  3. Step 3: Cross multiply
    22,146.97x = 30,562.44 × 12,075.49
  4. Step 4: Simplify right side
    22,146.97x = 369,056,438.60
  5. Step 5: Solve for x
    x = 369,056,438.60/22,146.97
  6. Step 6: Final answer
    x = 16,663.97

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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.