Home / 16,855.20-25,287.93-11,934.36

Finding the Fourth Proportional to 16,855.20, 25,287.93 and 11,934.36

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Solution

The fourth proportional to 16,855.20, 25,287.93 and 11,934.36 is: 17,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.20 : 25,287.93 = 11,934.36 : x
  2. Step 2: Convert to fraction form
    16,855.20/25,287.93 = 11,934.36/x
  3. Step 3: Cross multiply
    16,855.20x = 25,287.93 × 11,934.36
  4. Step 4: Simplify right side
    16,855.20x = 301,795,260.27
  5. Step 5: Solve for x
    x = 301,795,260.27/16,855.20
  6. Step 6: Final answer
    x = 17,905.17

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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.