Home / 11,680.50-16,118.49-6,374.30

Finding the Fourth Proportional to 11,680.50, 16,118.49 and 6,374.30

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Solution

The fourth proportional to 11,680.50, 16,118.49 and 6,374.30 is: 8,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.50 : 16,118.49 = 6,374.30 : x
  2. Step 2: Convert to fraction form
    11,680.50/16,118.49 = 6,374.30/x
  3. Step 3: Cross multiply
    11,680.50x = 16,118.49 × 6,374.30
  4. Step 4: Simplify right side
    11,680.50x = 102,744,034.12
  5. Step 5: Solve for x
    x = 102,744,034.12/11,680.50
  6. Step 6: Final answer
    x = 8,796.20

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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.