Home / 12,571.83-18,860.16-4,253.18

Finding the Fourth Proportional to 12,571.83, 18,860.16 and 4,253.18

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Solution

The fourth proportional to 12,571.83, 18,860.16 and 4,253.18 is: 6,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571.83 : 18,860.16 = 4,253.18 : x
  2. Step 2: Convert to fraction form
    12,571.83/18,860.16 = 4,253.18/x
  3. Step 3: Cross multiply
    12,571.83x = 18,860.16 × 4,253.18
  4. Step 4: Simplify right side
    12,571.83x = 80,215,539.74
  5. Step 5: Solve for x
    x = 80,215,539.74/12,571.83
  6. Step 6: Final answer
    x = 6,380.58

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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.