Home / 12,346.09-18,525.21-5,771.32

Finding the Fourth Proportional to 12,346.09, 18,525.21 and 5,771.32

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Solution

The fourth proportional to 12,346.09, 18,525.21 and 5,771.32 is: 8,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.09 : 18,525.21 = 5,771.32 : x
  2. Step 2: Convert to fraction form
    12,346.09/18,525.21 = 5,771.32/x
  3. Step 3: Cross multiply
    12,346.09x = 18,525.21 × 5,771.32
  4. Step 4: Simplify right side
    12,346.09x = 106,914,914.98
  5. Step 5: Solve for x
    x = 106,914,914.98/12,346.09
  6. Step 6: Final answer
    x = 8,659.82

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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.