Home / 13,408.58-18,504.96-7,441.50

Finding the Fourth Proportional to 13,408.58, 18,504.96 and 7,441.50

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Solution

The fourth proportional to 13,408.58, 18,504.96 and 7,441.50 is: 10,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.58 : 18,504.96 = 7,441.50 : x
  2. Step 2: Convert to fraction form
    13,408.58/18,504.96 = 7,441.50/x
  3. Step 3: Cross multiply
    13,408.58x = 18,504.96 × 7,441.50
  4. Step 4: Simplify right side
    13,408.58x = 137,704,659.84
  5. Step 5: Solve for x
    x = 137,704,659.84/13,408.58
  6. Step 6: Final answer
    x = 10,269.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.