Home / 11,811.02-16,299.21-6,505.83

Finding the Fourth Proportional to 11,811.02, 16,299.21 and 6,505.83

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Solution

The fourth proportional to 11,811.02, 16,299.21 and 6,505.83 is: 8,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.02 : 16,299.21 = 6,505.83 : x
  2. Step 2: Convert to fraction form
    11,811.02/16,299.21 = 6,505.83/x
  3. Step 3: Cross multiply
    11,811.02x = 16,299.21 × 6,505.83
  4. Step 4: Simplify right side
    11,811.02x = 106,039,927.66
  5. Step 5: Solve for x
    x = 106,039,927.66/11,811.02
  6. Step 6: Final answer
    x = 8,978.05

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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.