Home / 11,878.38-17,814.73-3,556.16

Finding the Fourth Proportional to 11,878.38, 17,814.73 and 3,556.16

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Solution

The fourth proportional to 11,878.38, 17,814.73 and 3,556.16 is: 5,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.38 : 17,814.73 = 3,556.16 : x
  2. Step 2: Convert to fraction form
    11,878.38/17,814.73 = 3,556.16/x
  3. Step 3: Cross multiply
    11,878.38x = 17,814.73 × 3,556.16
  4. Step 4: Simplify right side
    11,878.38x = 63,352,030.24
  5. Step 5: Solve for x
    x = 63,352,030.24/11,878.38
  6. Step 6: Final answer
    x = 5,333.39

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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.