Home / 11,361.15-15,678.73-6,187.37

Finding the Fourth Proportional to 11,361.15, 15,678.73 and 6,187.37

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Solution

The fourth proportional to 11,361.15, 15,678.73 and 6,187.37 is: 8,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.15 : 15,678.73 = 6,187.37 : x
  2. Step 2: Convert to fraction form
    11,361.15/15,678.73 = 6,187.37/x
  3. Step 3: Cross multiply
    11,361.15x = 15,678.73 × 6,187.37
  4. Step 4: Simplify right side
    11,361.15x = 97,010,103.64
  5. Step 5: Solve for x
    x = 97,010,103.64/11,361.15
  6. Step 6: Final answer
    x = 8,538.76

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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.