Home / 11,362.44-17,038.80-5,121.12

Finding the Fourth Proportional to 11,362.44, 17,038.80 and 5,121.12

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Solution

The fourth proportional to 11,362.44, 17,038.80 and 5,121.12 is: 7,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.44 : 17,038.80 = 5,121.12 : x
  2. Step 2: Convert to fraction form
    11,362.44/17,038.80 = 5,121.12/x
  3. Step 3: Cross multiply
    11,362.44x = 17,038.80 × 5,121.12
  4. Step 4: Simplify right side
    11,362.44x = 87,257,739.46
  5. Step 5: Solve for x
    x = 87,257,739.46/11,362.44
  6. Step 6: Final answer
    x = 7,679.49

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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.