Home / 20,274.24-30,415.14-7,793.76

Finding the Fourth Proportional to 20,274.24, 30,415.14 and 7,793.76

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Solution

The fourth proportional to 20,274.24, 30,415.14 and 7,793.76 is: 11,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,274.24 : 30,415.14 = 7,793.76 : x
  2. Step 2: Convert to fraction form
    20,274.24/30,415.14 = 7,793.76/x
  3. Step 3: Cross multiply
    20,274.24x = 30,415.14 × 7,793.76
  4. Step 4: Simplify right side
    20,274.24x = 237,048,301.53
  5. Step 5: Solve for x
    x = 237,048,301.53/20,274.24
  6. Step 6: Final answer
    x = 11,692.09

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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.