Home / 11,209.02-16,798.41-4,279.74

Finding the Fourth Proportional to 11,209.02, 16,798.41 and 4,279.74

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Solution

The fourth proportional to 11,209.02, 16,798.41 and 4,279.74 is: 6,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.02 : 16,798.41 = 4,279.74 : x
  2. Step 2: Convert to fraction form
    11,209.02/16,798.41 = 4,279.74/x
  3. Step 3: Cross multiply
    11,209.02x = 16,798.41 × 4,279.74
  4. Step 4: Simplify right side
    11,209.02x = 71,892,827.21
  5. Step 5: Solve for x
    x = 71,892,827.21/11,209.02
  6. Step 6: Final answer
    x = 6,413.84

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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.