Home / 12,377.37-18,568.35-4,057.80

Finding the Fourth Proportional to 12,377.37, 18,568.35 and 4,057.80

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Solution

The fourth proportional to 12,377.37, 18,568.35 and 4,057.80 is: 6,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.37 : 18,568.35 = 4,057.80 : x
  2. Step 2: Convert to fraction form
    12,377.37/18,568.35 = 4,057.80/x
  3. Step 3: Cross multiply
    12,377.37x = 18,568.35 × 4,057.80
  4. Step 4: Simplify right side
    12,377.37x = 75,346,650.63
  5. Step 5: Solve for x
    x = 75,346,650.63/12,377.37
  6. Step 6: Final answer
    x = 6,087.45

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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.