Home / 12,242.70-18,363.80-3,922.74

Finding the Fourth Proportional to 12,242.70, 18,363.80 and 3,922.74

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Solution

The fourth proportional to 12,242.70, 18,363.80 and 3,922.74 is: 5,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.70 : 18,363.80 = 3,922.74 : x
  2. Step 2: Convert to fraction form
    12,242.70/18,363.80 = 3,922.74/x
  3. Step 3: Cross multiply
    12,242.70x = 18,363.80 × 3,922.74
  4. Step 4: Simplify right side
    12,242.70x = 72,036,393.20
  5. Step 5: Solve for x
    x = 72,036,393.20/12,242.70
  6. Step 6: Final answer
    x = 5,884.03

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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.