Home / 21,896.67-30,217.44-12,465.24

Finding the Fourth Proportional to 21,896.67, 30,217.44 and 12,465.24

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Solution

The fourth proportional to 21,896.67, 30,217.44 and 12,465.24 is: 17,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.67 : 30,217.44 = 12,465.24 : x
  2. Step 2: Convert to fraction form
    21,896.67/30,217.44 = 12,465.24/x
  3. Step 3: Cross multiply
    21,896.67x = 30,217.44 × 12,465.24
  4. Step 4: Simplify right side
    21,896.67x = 376,667,575.21
  5. Step 5: Solve for x
    x = 376,667,575.21/21,896.67
  6. Step 6: Final answer
    x = 17,202.05

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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.