Home / 12,245.28-18,370.92-3,925.32

Finding the Fourth Proportional to 12,245.28, 18,370.92 and 3,925.32

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Solution

The fourth proportional to 12,245.28, 18,370.92 and 3,925.32 is: 5,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.28 : 18,370.92 = 3,925.32 : x
  2. Step 2: Convert to fraction form
    12,245.28/18,370.92 = 3,925.32/x
  3. Step 3: Cross multiply
    12,245.28x = 18,370.92 × 3,925.32
  4. Step 4: Simplify right side
    12,245.28x = 72,111,739.69
  5. Step 5: Solve for x
    x = 72,111,739.69/12,245.28
  6. Step 6: Final answer
    x = 5,888.94

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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.