Home / 12,035.64-18,055.86-4,243.44

Finding the Fourth Proportional to 12,035.64, 18,055.86 and 4,243.44

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Solution

The fourth proportional to 12,035.64, 18,055.86 and 4,243.44 is: 6,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.64 : 18,055.86 = 4,243.44 : x
  2. Step 2: Convert to fraction form
    12,035.64/18,055.86 = 4,243.44/x
  3. Step 3: Cross multiply
    12,035.64x = 18,055.86 × 4,243.44
  4. Step 4: Simplify right side
    12,035.64x = 76,618,958.56
  5. Step 5: Solve for x
    x = 76,618,958.56/12,035.64
  6. Step 6: Final answer
    x = 6,366.01

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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.