Home / 11,329.90-16,995.60-3,009.80

Finding the Fourth Proportional to 11,329.90, 16,995.60 and 3,009.80

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Solution

The fourth proportional to 11,329.90, 16,995.60 and 3,009.80 is: 4,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.90 : 16,995.60 = 3,009.80 : x
  2. Step 2: Convert to fraction form
    11,329.90/16,995.60 = 3,009.80/x
  3. Step 3: Cross multiply
    11,329.90x = 16,995.60 × 3,009.80
  4. Step 4: Simplify right side
    11,329.90x = 51,153,356.88
  5. Step 5: Solve for x
    x = 51,153,356.88/11,329.90
  6. Step 6: Final answer
    x = 4,514.90

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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.