Home / 11,946.12-17,895.53-8,188.65

Finding the Fourth Proportional to 11,946.12, 17,895.53 and 8,188.65

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Solution

The fourth proportional to 11,946.12, 17,895.53 and 8,188.65 is: 12,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.12 : 17,895.53 = 8,188.65 : x
  2. Step 2: Convert to fraction form
    11,946.12/17,895.53 = 8,188.65/x
  3. Step 3: Cross multiply
    11,946.12x = 17,895.53 × 8,188.65
  4. Step 4: Simplify right side
    11,946.12x = 146,540,190.79
  5. Step 5: Solve for x
    x = 146,540,190.79/11,946.12
  6. Step 6: Final answer
    x = 12,266.76

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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.