Home / 12,184.35-16,812.50-6,879.05

Finding the Fourth Proportional to 12,184.35, 16,812.50 and 6,879.05

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Solution

The fourth proportional to 12,184.35, 16,812.50 and 6,879.05 is: 9,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.35 : 16,812.50 = 6,879.05 : x
  2. Step 2: Convert to fraction form
    12,184.35/16,812.50 = 6,879.05/x
  3. Step 3: Cross multiply
    12,184.35x = 16,812.50 × 6,879.05
  4. Step 4: Simplify right side
    12,184.35x = 115,654,028.13
  5. Step 5: Solve for x
    x = 115,654,028.13/12,184.35
  6. Step 6: Final answer
    x = 9,492.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.