Home / 12,571.74-18,860.34-4,250.22

Finding the Fourth Proportional to 12,571.74, 18,860.34 and 4,250.22

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Solution

The fourth proportional to 12,571.74, 18,860.34 and 4,250.22 is: 6,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.74 : 18,860.34 = 4,250.22 : x
  2. Step 2: Convert to fraction form
    12,571.74/18,860.34 = 4,250.22/x
  3. Step 3: Cross multiply
    12,571.74x = 18,860.34 × 4,250.22
  4. Step 4: Simplify right side
    12,571.74x = 80,160,594.27
  5. Step 5: Solve for x
    x = 80,160,594.27/12,571.74
  6. Step 6: Final answer
    x = 6,376.25

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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.