Home / 11,666.56-16,100.19-6,361.72

Finding the Fourth Proportional to 11,666.56, 16,100.19 and 6,361.72

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Solution

The fourth proportional to 11,666.56, 16,100.19 and 6,361.72 is: 8,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.56 : 16,100.19 = 6,361.72 : x
  2. Step 2: Convert to fraction form
    11,666.56/16,100.19 = 6,361.72/x
  3. Step 3: Cross multiply
    11,666.56x = 16,100.19 × 6,361.72
  4. Step 4: Simplify right side
    11,666.56x = 102,424,900.73
  5. Step 5: Solve for x
    x = 102,424,900.73/11,666.56
  6. Step 6: Final answer
    x = 8,779.36

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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.