Home / 11,803.03-17,711.39-4,407.21

Finding the Fourth Proportional to 11,803.03, 17,711.39 and 4,407.21

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Solution

The fourth proportional to 11,803.03, 17,711.39 and 4,407.21 is: 6,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.03 : 17,711.39 = 4,407.21 : x
  2. Step 2: Convert to fraction form
    11,803.03/17,711.39 = 4,407.21/x
  3. Step 3: Cross multiply
    11,803.03x = 17,711.39 × 4,407.21
  4. Step 4: Simplify right side
    11,803.03x = 78,057,837.36
  5. Step 5: Solve for x
    x = 78,057,837.36/11,803.03
  6. Step 6: Final answer
    x = 6,613.37

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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.