Home / 20,192.37-30,289.57-7,713.47

Finding the Fourth Proportional to 20,192.37, 30,289.57 and 7,713.47

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Solution

The fourth proportional to 20,192.37, 30,289.57 and 7,713.47 is: 11,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.37 : 30,289.57 = 7,713.47 : x
  2. Step 2: Convert to fraction form
    20,192.37/30,289.57 = 7,713.47/x
  3. Step 3: Cross multiply
    20,192.37x = 30,289.57 × 7,713.47
  4. Step 4: Simplify right side
    20,192.37x = 233,637,745.95
  5. Step 5: Solve for x
    x = 233,637,745.95/20,192.37
  6. Step 6: Final answer
    x = 11,570.60

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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.