Home / 8,506.89-12,762.77-6,169.23

Finding the Fourth Proportional to 8,506.89, 12,762.77 and 6,169.23

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Solution

The fourth proportional to 8,506.89, 12,762.77 and 6,169.23 is: 9,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.89 : 12,762.77 = 6,169.23 : x
  2. Step 2: Convert to fraction form
    8,506.89/12,762.77 = 6,169.23/x
  3. Step 3: Cross multiply
    8,506.89x = 12,762.77 × 6,169.23
  4. Step 4: Simplify right side
    8,506.89x = 78,736,432.72
  5. Step 5: Solve for x
    x = 78,736,432.72/8,506.89
  6. Step 6: Final answer
    x = 9,255.61

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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.