Home / 13,273.36-19,900.80-5,873.78

Finding the Fourth Proportional to 13,273.36, 19,900.80 and 5,873.78

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Solution

The fourth proportional to 13,273.36, 19,900.80 and 5,873.78 is: 8,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.36 : 19,900.80 = 5,873.78 : x
  2. Step 2: Convert to fraction form
    13,273.36/19,900.80 = 5,873.78/x
  3. Step 3: Cross multiply
    13,273.36x = 19,900.80 × 5,873.78
  4. Step 4: Simplify right side
    13,273.36x = 116,892,921.02
  5. Step 5: Solve for x
    x = 116,892,921.02/13,273.36
  6. Step 6: Final answer
    x = 8,806.58

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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.