Home / 9,609.20-14,406.80-6,481.44

Finding the Fourth Proportional to 9,609.20, 14,406.80 and 6,481.44

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Solution

The fourth proportional to 9,609.20, 14,406.80 and 6,481.44 is: 9,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.20 : 14,406.80 = 6,481.44 : x
  2. Step 2: Convert to fraction form
    9,609.20/14,406.80 = 6,481.44/x
  3. Step 3: Cross multiply
    9,609.20x = 14,406.80 × 6,481.44
  4. Step 4: Simplify right side
    9,609.20x = 93,376,809.79
  5. Step 5: Solve for x
    x = 93,376,809.79/9,609.20
  6. Step 6: Final answer
    x = 9,717.44

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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.