Home / 11,803.21-17,699.51-3,480.30

Finding the Fourth Proportional to 11,803.21, 17,699.51 and 3,480.30

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Solution

The fourth proportional to 11,803.21, 17,699.51 and 3,480.30 is: 5,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.21 : 17,699.51 = 3,480.30 : x
  2. Step 2: Convert to fraction form
    11,803.21/17,699.51 = 3,480.30/x
  3. Step 3: Cross multiply
    11,803.21x = 17,699.51 × 3,480.30
  4. Step 4: Simplify right side
    11,803.21x = 61,599,613.35
  5. Step 5: Solve for x
    x = 61,599,613.35/11,803.21
  6. Step 6: Final answer
    x = 5,218.89

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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.