Home / 21,954.04-30,296.58-12,018.04

Finding the Fourth Proportional to 21,954.04, 30,296.58 and 12,018.04

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Solution

The fourth proportional to 21,954.04, 30,296.58 and 12,018.04 is: 16,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.04 : 30,296.58 = 12,018.04 : x
  2. Step 2: Convert to fraction form
    21,954.04/30,296.58 = 12,018.04/x
  3. Step 3: Cross multiply
    21,954.04x = 30,296.58 × 12,018.04
  4. Step 4: Simplify right side
    21,954.04x = 364,105,510.30
  5. Step 5: Solve for x
    x = 364,105,510.30/21,954.04
  6. Step 6: Final answer
    x = 16,584.90

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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.