Home / 12,558.51-18,837.71-3,793.40

Finding the Fourth Proportional to 12,558.51, 18,837.71 and 3,793.40

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Solution

The fourth proportional to 12,558.51, 18,837.71 and 3,793.40 is: 5,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.51 : 18,837.71 = 3,793.40 : x
  2. Step 2: Convert to fraction form
    12,558.51/18,837.71 = 3,793.40/x
  3. Step 3: Cross multiply
    12,558.51x = 18,837.71 × 3,793.40
  4. Step 4: Simplify right side
    12,558.51x = 71,458,855.96
  5. Step 5: Solve for x
    x = 71,458,855.96/12,558.51
  6. Step 6: Final answer
    x = 5,690.07

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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.