Home / 12,240.37-18,361.69-4,342.11

Finding the Fourth Proportional to 12,240.37, 18,361.69 and 4,342.11

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Solution

The fourth proportional to 12,240.37, 18,361.69 and 4,342.11 is: 6,513.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.37 : 18,361.69 = 4,342.11 : x
  2. Step 2: Convert to fraction form
    12,240.37/18,361.69 = 4,342.11/x
  3. Step 3: Cross multiply
    12,240.37x = 18,361.69 × 4,342.11
  4. Step 4: Simplify right side
    12,240.37x = 79,728,398.05
  5. Step 5: Solve for x
    x = 79,728,398.05/12,240.37
  6. Step 6: Final answer
    x = 6,513.56

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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.