Home / 13,877.06-20,815.54-4,992.37

Finding the Fourth Proportional to 13,877.06, 20,815.54 and 4,992.37

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Solution

The fourth proportional to 13,877.06, 20,815.54 and 4,992.37 is: 7,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.06 : 20,815.54 = 4,992.37 : x
  2. Step 2: Convert to fraction form
    13,877.06/20,815.54 = 4,992.37/x
  3. Step 3: Cross multiply
    13,877.06x = 20,815.54 × 4,992.37
  4. Step 4: Simplify right side
    13,877.06x = 103,918,877.43
  5. Step 5: Solve for x
    x = 103,918,877.43/13,877.06
  6. Step 6: Final answer
    x = 7,488.54

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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.