Home / 12,604.37-18,904.93-4,284.05

Finding the Fourth Proportional to 12,604.37, 18,904.93 and 4,284.05

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Solution

The fourth proportional to 12,604.37, 18,904.93 and 4,284.05 is: 6,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.37 : 18,904.93 = 4,284.05 : x
  2. Step 2: Convert to fraction form
    12,604.37/18,904.93 = 4,284.05/x
  3. Step 3: Cross multiply
    12,604.37x = 18,904.93 × 4,284.05
  4. Step 4: Simplify right side
    12,604.37x = 80,989,560.13
  5. Step 5: Solve for x
    x = 80,989,560.13/12,604.37
  6. Step 6: Final answer
    x = 6,425.52

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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.