Home / 11,480.12-17,220.23-3,161.01

Finding the Fourth Proportional to 11,480.12, 17,220.23 and 3,161.01

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Solution

The fourth proportional to 11,480.12, 17,220.23 and 3,161.01 is: 4,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.12 : 17,220.23 = 3,161.01 : x
  2. Step 2: Convert to fraction form
    11,480.12/17,220.23 = 3,161.01/x
  3. Step 3: Cross multiply
    11,480.12x = 17,220.23 × 3,161.01
  4. Step 4: Simplify right side
    11,480.12x = 54,433,319.23
  5. Step 5: Solve for x
    x = 54,433,319.23/11,480.12
  6. Step 6: Final answer
    x = 4,741.53

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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.