Home / 11,639.13-17,461.44-3,319.26

Finding the Fourth Proportional to 11,639.13, 17,461.44 and 3,319.26

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Solution

The fourth proportional to 11,639.13, 17,461.44 and 3,319.26 is: 4,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.13 : 17,461.44 = 3,319.26 : x
  2. Step 2: Convert to fraction form
    11,639.13/17,461.44 = 3,319.26/x
  3. Step 3: Cross multiply
    11,639.13x = 17,461.44 × 3,319.26
  4. Step 4: Simplify right side
    11,639.13x = 57,959,059.33
  5. Step 5: Solve for x
    x = 57,959,059.33/11,639.13
  6. Step 6: Final answer
    x = 4,979.67

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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.