Home / 13,353.12-20,027.16-6,777.36

Finding the Fourth Proportional to 13,353.12, 20,027.16 and 6,777.36

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Solution

The fourth proportional to 13,353.12, 20,027.16 and 6,777.36 is: 10,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.12 : 20,027.16 = 6,777.36 : x
  2. Step 2: Convert to fraction form
    13,353.12/20,027.16 = 6,777.36/x
  3. Step 3: Cross multiply
    13,353.12x = 20,027.16 × 6,777.36
  4. Step 4: Simplify right side
    13,353.12x = 135,731,273.10
  5. Step 5: Solve for x
    x = 135,731,273.10/13,353.12
  6. Step 6: Final answer
    x = 10,164.76

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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.