Home / 11,090.59-15,305.45-6,311.36

Finding the Fourth Proportional to 11,090.59, 15,305.45 and 6,311.36

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Solution

The fourth proportional to 11,090.59, 15,305.45 and 6,311.36 is: 8,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.59 : 15,305.45 = 6,311.36 : x
  2. Step 2: Convert to fraction form
    11,090.59/15,305.45 = 6,311.36/x
  3. Step 3: Cross multiply
    11,090.59x = 15,305.45 × 6,311.36
  4. Step 4: Simplify right side
    11,090.59x = 96,598,211.62
  5. Step 5: Solve for x
    x = 96,598,211.62/11,090.59
  6. Step 6: Final answer
    x = 8,709.93

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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.