Home / 13,273.54-18,336.06-12,076.40

Finding the Fourth Proportional to 13,273.54, 18,336.06 and 12,076.40

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Solution

The fourth proportional to 13,273.54, 18,336.06 and 12,076.40 is: 16,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.54 : 18,336.06 = 12,076.40 : x
  2. Step 2: Convert to fraction form
    13,273.54/18,336.06 = 12,076.40/x
  3. Step 3: Cross multiply
    13,273.54x = 18,336.06 × 12,076.40
  4. Step 4: Simplify right side
    13,273.54x = 221,433,594.98
  5. Step 5: Solve for x
    x = 221,433,594.98/13,273.54
  6. Step 6: Final answer
    x = 16,682.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.