Home / 11,659.55-16,090.20-6,354.36

Finding the Fourth Proportional to 11,659.55, 16,090.20 and 6,354.36

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Solution

The fourth proportional to 11,659.55, 16,090.20 and 6,354.36 is: 8,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.55 : 16,090.20 = 6,354.36 : x
  2. Step 2: Convert to fraction form
    11,659.55/16,090.20 = 6,354.36/x
  3. Step 3: Cross multiply
    11,659.55x = 16,090.20 × 6,354.36
  4. Step 4: Simplify right side
    11,659.55x = 102,242,923.27
  5. Step 5: Solve for x
    x = 102,242,923.27/11,659.55
  6. Step 6: Final answer
    x = 8,769.03

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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.