Home / 12,506.08-18,759.12-3,738.64

Finding the Fourth Proportional to 12,506.08, 18,759.12 and 3,738.64

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Solution

The fourth proportional to 12,506.08, 18,759.12 and 3,738.64 is: 5,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.08 : 18,759.12 = 3,738.64 : x
  2. Step 2: Convert to fraction form
    12,506.08/18,759.12 = 3,738.64/x
  3. Step 3: Cross multiply
    12,506.08x = 18,759.12 × 3,738.64
  4. Step 4: Simplify right side
    12,506.08x = 70,133,596.40
  5. Step 5: Solve for x
    x = 70,133,596.40/12,506.08
  6. Step 6: Final answer
    x = 5,607.96

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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.