Home / 21,896.08-30,209.04-12,462.24

Finding the Fourth Proportional to 21,896.08, 30,209.04 and 12,462.24

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Solution

The fourth proportional to 21,896.08, 30,209.04 and 12,462.24 is: 17,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.08 : 30,209.04 = 12,462.24 : x
  2. Step 2: Convert to fraction form
    21,896.08/30,209.04 = 12,462.24/x
  3. Step 3: Cross multiply
    21,896.08x = 30,209.04 × 12,462.24
  4. Step 4: Simplify right side
    21,896.08x = 376,472,306.65
  5. Step 5: Solve for x
    x = 376,472,306.65/21,896.08
  6. Step 6: Final answer
    x = 17,193.59

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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.