Home / 13,853.30-20,798.30-6,462.86

Finding the Fourth Proportional to 13,853.30, 20,798.30 and 6,462.86

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Solution

The fourth proportional to 13,853.30, 20,798.30 and 6,462.86 is: 9,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.30 : 20,798.30 = 6,462.86 : x
  2. Step 2: Convert to fraction form
    13,853.30/20,798.30 = 6,462.86/x
  3. Step 3: Cross multiply
    13,853.30x = 20,798.30 × 6,462.86
  4. Step 4: Simplify right side
    13,853.30x = 134,416,413.30
  5. Step 5: Solve for x
    x = 134,416,413.30/13,853.30
  6. Step 6: Final answer
    x = 9,702.85

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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.