Home / 11,116.10-16,674.15-8,207.30

Finding the Fourth Proportional to 11,116.10, 16,674.15 and 8,207.30

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Solution

The fourth proportional to 11,116.10, 16,674.15 and 8,207.30 is: 12,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.10 : 16,674.15 = 8,207.30 : x
  2. Step 2: Convert to fraction form
    11,116.10/16,674.15 = 8,207.30/x
  3. Step 3: Cross multiply
    11,116.10x = 16,674.15 × 8,207.30
  4. Step 4: Simplify right side
    11,116.10x = 136,849,751.30
  5. Step 5: Solve for x
    x = 136,849,751.30/11,116.10
  6. Step 6: Final answer
    x = 12,310.95

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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.