Home / 12,627.64-18,818.36-12,247.60

Finding the Fourth Proportional to 12,627.64, 18,818.36 and 12,247.60

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Solution

The fourth proportional to 12,627.64, 18,818.36 and 12,247.60 is: 18,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.64 : 18,818.36 = 12,247.60 : x
  2. Step 2: Convert to fraction form
    12,627.64/18,818.36 = 12,247.60/x
  3. Step 3: Cross multiply
    12,627.64x = 18,818.36 × 12,247.60
  4. Step 4: Simplify right side
    12,627.64x = 230,479,745.94
  5. Step 5: Solve for x
    x = 230,479,745.94/12,627.64
  6. Step 6: Final answer
    x = 18,252.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.