Home / 11,720.26-17,576.16-3,927.28

Finding the Fourth Proportional to 11,720.26, 17,576.16 and 3,927.28

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Solution

The fourth proportional to 11,720.26, 17,576.16 and 3,927.28 is: 5,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.26 : 17,576.16 = 3,927.28 : x
  2. Step 2: Convert to fraction form
    11,720.26/17,576.16 = 3,927.28/x
  3. Step 3: Cross multiply
    11,720.26x = 17,576.16 × 3,927.28
  4. Step 4: Simplify right side
    11,720.26x = 69,026,501.64
  5. Step 5: Solve for x
    x = 69,026,501.64/11,720.26
  6. Step 6: Final answer
    x = 5,889.50

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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.