Home / 11,011.65-16,517.32-3,220.46

Finding the Fourth Proportional to 11,011.65, 16,517.32 and 3,220.46

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Solution

The fourth proportional to 11,011.65, 16,517.32 and 3,220.46 is: 4,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.65 : 16,517.32 = 3,220.46 : x
  2. Step 2: Convert to fraction form
    11,011.65/16,517.32 = 3,220.46/x
  3. Step 3: Cross multiply
    11,011.65x = 16,517.32 × 3,220.46
  4. Step 4: Simplify right side
    11,011.65x = 53,193,339.67
  5. Step 5: Solve for x
    x = 53,193,339.67/11,011.65
  6. Step 6: Final answer
    x = 4,830.64

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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.