Home / 22,219.94-30,662.08-12,146.30

Finding the Fourth Proportional to 22,219.94, 30,662.08 and 12,146.30

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Solution

The fourth proportional to 22,219.94, 30,662.08 and 12,146.30 is: 16,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.94 : 30,662.08 = 12,146.30 : x
  2. Step 2: Convert to fraction form
    22,219.94/30,662.08 = 12,146.30/x
  3. Step 3: Cross multiply
    22,219.94x = 30,662.08 × 12,146.30
  4. Step 4: Simplify right side
    22,219.94x = 372,430,638.63
  5. Step 5: Solve for x
    x = 372,430,638.63/22,219.94
  6. Step 6: Final answer
    x = 16,761.10

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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.