Home / 12,134.24-18,201.72-4,738.40

Finding the Fourth Proportional to 12,134.24, 18,201.72 and 4,738.40

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Solution

The fourth proportional to 12,134.24, 18,201.72 and 4,738.40 is: 7,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.24 : 18,201.72 = 4,738.40 : x
  2. Step 2: Convert to fraction form
    12,134.24/18,201.72 = 4,738.40/x
  3. Step 3: Cross multiply
    12,134.24x = 18,201.72 × 4,738.40
  4. Step 4: Simplify right side
    12,134.24x = 86,247,030.05
  5. Step 5: Solve for x
    x = 86,247,030.05/12,134.24
  6. Step 6: Final answer
    x = 7,107.74

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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.