Home / 13,767.54-20,648.16-6,364.86

Finding the Fourth Proportional to 13,767.54, 20,648.16 and 6,364.86

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Solution

The fourth proportional to 13,767.54, 20,648.16 and 6,364.86 is: 9,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.54 : 20,648.16 = 6,364.86 : x
  2. Step 2: Convert to fraction form
    13,767.54/20,648.16 = 6,364.86/x
  3. Step 3: Cross multiply
    13,767.54x = 20,648.16 × 6,364.86
  4. Step 4: Simplify right side
    13,767.54x = 131,422,647.66
  5. Step 5: Solve for x
    x = 131,422,647.66/13,767.54
  6. Step 6: Final answer
    x = 9,545.83

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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.