Home / 20,944.98-28,902.56-12,446.73

Finding the Fourth Proportional to 20,944.98, 28,902.56 and 12,446.73

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Solution

The fourth proportional to 20,944.98, 28,902.56 and 12,446.73 is: 17,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.98 : 28,902.56 = 12,446.73 : x
  2. Step 2: Convert to fraction form
    20,944.98/28,902.56 = 12,446.73/x
  3. Step 3: Cross multiply
    20,944.98x = 28,902.56 × 12,446.73
  4. Step 4: Simplify right side
    20,944.98x = 359,742,298.40
  5. Step 5: Solve for x
    x = 359,742,298.40/20,944.98
  6. Step 6: Final answer
    x = 17,175.59

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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.