Home / 13,579.00-18,739.01-8,273.84

Finding the Fourth Proportional to 13,579.00, 18,739.01 and 8,273.84

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Solution

The fourth proportional to 13,579.00, 18,739.01 and 8,273.84 is: 11,417.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.00 : 18,739.01 = 8,273.84 : x
  2. Step 2: Convert to fraction form
    13,579.00/18,739.01 = 8,273.84/x
  3. Step 3: Cross multiply
    13,579.00x = 18,739.01 × 8,273.84
  4. Step 4: Simplify right side
    13,579.00x = 155,043,497.49
  5. Step 5: Solve for x
    x = 155,043,497.49/13,579.00
  6. Step 6: Final answer
    x = 11,417.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.