Home / 11,818.62-16,309.70-6,441.02

Finding the Fourth Proportional to 11,818.62, 16,309.70 and 6,441.02

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Solution

The fourth proportional to 11,818.62, 16,309.70 and 6,441.02 is: 8,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.62 : 16,309.70 = 6,441.02 : x
  2. Step 2: Convert to fraction form
    11,818.62/16,309.70 = 6,441.02/x
  3. Step 3: Cross multiply
    11,818.62x = 16,309.70 × 6,441.02
  4. Step 4: Simplify right side
    11,818.62x = 105,051,103.89
  5. Step 5: Solve for x
    x = 105,051,103.89/11,818.62
  6. Step 6: Final answer
    x = 8,888.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.