Home / 12,346.60-18,525.96-5,771.82

Finding the Fourth Proportional to 12,346.60, 18,525.96 and 5,771.82

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Solution

The fourth proportional to 12,346.60, 18,525.96 and 5,771.82 is: 8,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.60 : 18,525.96 = 5,771.82 : x
  2. Step 2: Convert to fraction form
    12,346.60/18,525.96 = 5,771.82/x
  3. Step 3: Cross multiply
    12,346.60x = 18,525.96 × 5,771.82
  4. Step 4: Simplify right side
    12,346.60x = 106,928,506.45
  5. Step 5: Solve for x
    x = 106,928,506.45/12,346.60
  6. Step 6: Final answer
    x = 8,660.56

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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.