Home / 12,453.32-18,682.21-4,132.47

Finding the Fourth Proportional to 12,453.32, 18,682.21 and 4,132.47

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Solution

The fourth proportional to 12,453.32, 18,682.21 and 4,132.47 is: 6,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.32 : 18,682.21 = 4,132.47 : x
  2. Step 2: Convert to fraction form
    12,453.32/18,682.21 = 4,132.47/x
  3. Step 3: Cross multiply
    12,453.32x = 18,682.21 × 4,132.47
  4. Step 4: Simplify right side
    12,453.32x = 77,203,662.03
  5. Step 5: Solve for x
    x = 77,203,662.03/12,453.32
  6. Step 6: Final answer
    x = 6,199.44

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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.