Home / 20,277.14-30,410.24-7,122.33

Finding the Fourth Proportional to 20,277.14, 30,410.24 and 7,122.33

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Solution

The fourth proportional to 20,277.14, 30,410.24 and 7,122.33 is: 10,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.14 : 30,410.24 = 7,122.33 : x
  2. Step 2: Convert to fraction form
    20,277.14/30,410.24 = 7,122.33/x
  3. Step 3: Cross multiply
    20,277.14x = 30,410.24 × 7,122.33
  4. Step 4: Simplify right side
    20,277.14x = 216,591,729.05
  5. Step 5: Solve for x
    x = 216,591,729.05/20,277.14
  6. Step 6: Final answer
    x = 10,681.57

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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.