Home / 21,928.62-30,261.87-12,497.34

Finding the Fourth Proportional to 21,928.62, 30,261.87 and 12,497.34

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Solution

The fourth proportional to 21,928.62, 30,261.87 and 12,497.34 is: 17,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.62 : 30,261.87 = 12,497.34 : x
  2. Step 2: Convert to fraction form
    21,928.62/30,261.87 = 12,497.34/x
  3. Step 3: Cross multiply
    21,928.62x = 30,261.87 × 12,497.34
  4. Step 4: Simplify right side
    21,928.62x = 378,192,878.43
  5. Step 5: Solve for x
    x = 378,192,878.43/21,928.62
  6. Step 6: Final answer
    x = 17,246.54

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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.