Home / 21,168.04-29,209.98-11,736.58

Finding the Fourth Proportional to 21,168.04, 29,209.98 and 11,736.58

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Solution

The fourth proportional to 21,168.04, 29,209.98 and 11,736.58 is: 16,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168.04 : 29,209.98 = 11,736.58 : x
  2. Step 2: Convert to fraction form
    21,168.04/29,209.98 = 11,736.58/x
  3. Step 3: Cross multiply
    21,168.04x = 29,209.98 × 11,736.58
  4. Step 4: Simplify right side
    21,168.04x = 342,825,267.07
  5. Step 5: Solve for x
    x = 342,825,267.07/21,168.04
  6. Step 6: Final answer
    x = 16,195.42

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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.