Home / 12,558.86-18,838.44-3,794.16

Finding the Fourth Proportional to 12,558.86, 18,838.44 and 3,794.16

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Solution

The fourth proportional to 12,558.86, 18,838.44 and 3,794.16 is: 5,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.86 : 18,838.44 = 3,794.16 : x
  2. Step 2: Convert to fraction form
    12,558.86/18,838.44 = 3,794.16/x
  3. Step 3: Cross multiply
    12,558.86x = 18,838.44 × 3,794.16
  4. Step 4: Simplify right side
    12,558.86x = 71,476,055.51
  5. Step 5: Solve for x
    x = 71,476,055.51/12,558.86
  6. Step 6: Final answer
    x = 5,691.29

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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.