Home / 15,361.23-21,198.26-8,646.84

Finding the Fourth Proportional to 15,361.23, 21,198.26 and 8,646.84

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Solution

The fourth proportional to 15,361.23, 21,198.26 and 8,646.84 is: 11,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.23 : 21,198.26 = 8,646.84 : x
  2. Step 2: Convert to fraction form
    15,361.23/21,198.26 = 8,646.84/x
  3. Step 3: Cross multiply
    15,361.23x = 21,198.26 × 8,646.84
  4. Step 4: Simplify right side
    15,361.23x = 183,297,904.62
  5. Step 5: Solve for x
    x = 183,297,904.62/15,361.23
  6. Step 6: Final answer
    x = 11,932.50

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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.