Home / 12,205.58-18,308.55-5,629.94

Finding the Fourth Proportional to 12,205.58, 18,308.55 and 5,629.94

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Solution

The fourth proportional to 12,205.58, 18,308.55 and 5,629.94 is: 8,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.58 : 18,308.55 = 5,629.94 : x
  2. Step 2: Convert to fraction form
    12,205.58/18,308.55 = 5,629.94/x
  3. Step 3: Cross multiply
    12,205.58x = 18,308.55 × 5,629.94
  4. Step 4: Simplify right side
    12,205.58x = 103,076,037.99
  5. Step 5: Solve for x
    x = 103,076,037.99/12,205.58
  6. Step 6: Final answer
    x = 8,444.99

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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.