Home / 16,849.58-25,253.87-11,920.64

Finding the Fourth Proportional to 16,849.58, 25,253.87 and 11,920.64

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Solution

The fourth proportional to 16,849.58, 25,253.87 and 11,920.64 is: 17,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.58 : 25,253.87 = 11,920.64 : x
  2. Step 2: Convert to fraction form
    16,849.58/25,253.87 = 11,920.64/x
  3. Step 3: Cross multiply
    16,849.58x = 25,253.87 × 11,920.64
  4. Step 4: Simplify right side
    16,849.58x = 301,042,107.00
  5. Step 5: Solve for x
    x = 301,042,107.00/16,849.58
  6. Step 6: Final answer
    x = 17,866.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.