Home / 8,518.42-12,762.96-6,648.04

Finding the Fourth Proportional to 8,518.42, 12,762.96 and 6,648.04

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Solution

The fourth proportional to 8,518.42, 12,762.96 and 6,648.04 is: 9,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.42 : 12,762.96 = 6,648.04 : x
  2. Step 2: Convert to fraction form
    8,518.42/12,762.96 = 6,648.04/x
  3. Step 3: Cross multiply
    8,518.42x = 12,762.96 × 6,648.04
  4. Step 4: Simplify right side
    8,518.42x = 84,848,668.60
  5. Step 5: Solve for x
    x = 84,848,668.60/8,518.42
  6. Step 6: Final answer
    x = 9,960.61

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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.