Home / 11,120.04-16,680.10-2,912.04

Finding the Fourth Proportional to 11,120.04, 16,680.10 and 2,912.04

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Solution

The fourth proportional to 11,120.04, 16,680.10 and 2,912.04 is: 4,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.04 : 16,680.10 = 2,912.04 : x
  2. Step 2: Convert to fraction form
    11,120.04/16,680.10 = 2,912.04/x
  3. Step 3: Cross multiply
    11,120.04x = 16,680.10 × 2,912.04
  4. Step 4: Simplify right side
    11,120.04x = 48,573,118.40
  5. Step 5: Solve for x
    x = 48,573,118.40/11,120.04
  6. Step 6: Final answer
    x = 4,368.07

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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.