Home / 20,604.28-30,899.10-7,453.24

Finding the Fourth Proportional to 20,604.28, 30,899.10 and 7,453.24

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Solution

The fourth proportional to 20,604.28, 30,899.10 and 7,453.24 is: 11,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.28 : 30,899.10 = 7,453.24 : x
  2. Step 2: Convert to fraction form
    20,604.28/30,899.10 = 7,453.24/x
  3. Step 3: Cross multiply
    20,604.28x = 30,899.10 × 7,453.24
  4. Step 4: Simplify right side
    20,604.28x = 230,298,408.08
  5. Step 5: Solve for x
    x = 230,298,408.08/20,604.28
  6. Step 6: Final answer
    x = 11,177.21

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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.