Home / 11,828.16-17,740.80-4,036.80

Finding the Fourth Proportional to 11,828.16, 17,740.80 and 4,036.80

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Solution

The fourth proportional to 11,828.16, 17,740.80 and 4,036.80 is: 6,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.16 : 17,740.80 = 4,036.80 : x
  2. Step 2: Convert to fraction form
    11,828.16/17,740.80 = 4,036.80/x
  3. Step 3: Cross multiply
    11,828.16x = 17,740.80 × 4,036.80
  4. Step 4: Simplify right side
    11,828.16x = 71,616,061.44
  5. Step 5: Solve for x
    x = 71,616,061.44/11,828.16
  6. Step 6: Final answer
    x = 6,054.71

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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.