Home / 15,453.72-23,149.67-7,122.33

Finding the Fourth Proportional to 15,453.72, 23,149.67 and 7,122.33

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Solution

The fourth proportional to 15,453.72, 23,149.67 and 7,122.33 is: 10,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.72 : 23,149.67 = 7,122.33 : x
  2. Step 2: Convert to fraction form
    15,453.72/23,149.67 = 7,122.33/x
  3. Step 3: Cross multiply
    15,453.72x = 23,149.67 × 7,122.33
  4. Step 4: Simplify right side
    15,453.72x = 164,879,553.52
  5. Step 5: Solve for x
    x = 164,879,553.52/15,453.72
  6. Step 6: Final answer
    x = 10,669.25

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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.