Home / 12,395.72-18,591.94-4,603.48

Finding the Fourth Proportional to 12,395.72, 18,591.94 and 4,603.48

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Solution

The fourth proportional to 12,395.72, 18,591.94 and 4,603.48 is: 6,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.72 : 18,591.94 = 4,603.48 : x
  2. Step 2: Convert to fraction form
    12,395.72/18,591.94 = 4,603.48/x
  3. Step 3: Cross multiply
    12,395.72x = 18,591.94 × 4,603.48
  4. Step 4: Simplify right side
    12,395.72x = 85,587,623.95
  5. Step 5: Solve for x
    x = 85,587,623.95/12,395.72
  6. Step 6: Final answer
    x = 6,904.61

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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.