Home / 20,873.46-28,805.44-11,442.04

Finding the Fourth Proportional to 20,873.46, 28,805.44 and 11,442.04

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Solution

The fourth proportional to 20,873.46, 28,805.44 and 11,442.04 is: 15,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.46 : 28,805.44 = 11,442.04 : x
  2. Step 2: Convert to fraction form
    20,873.46/28,805.44 = 11,442.04/x
  3. Step 3: Cross multiply
    20,873.46x = 28,805.44 × 11,442.04
  4. Step 4: Simplify right side
    20,873.46x = 329,592,996.70
  5. Step 5: Solve for x
    x = 329,592,996.70/20,873.46
  6. Step 6: Final answer
    x = 15,790.05

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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.