Home / 13,604.24-20,408.31-4,245.10

Finding the Fourth Proportional to 13,604.24, 20,408.31 and 4,245.10

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Solution

The fourth proportional to 13,604.24, 20,408.31 and 4,245.10 is: 6,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.24 : 20,408.31 = 4,245.10 : x
  2. Step 2: Convert to fraction form
    13,604.24/20,408.31 = 4,245.10/x
  3. Step 3: Cross multiply
    13,604.24x = 20,408.31 × 4,245.10
  4. Step 4: Simplify right side
    13,604.24x = 86,635,204.13
  5. Step 5: Solve for x
    x = 86,635,204.13/13,604.24
  6. Step 6: Final answer
    x = 6,368.25

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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.