Home / 21,156.27-29,195.97-11,596.08

Finding the Fourth Proportional to 21,156.27, 29,195.97 and 11,596.08

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Solution

The fourth proportional to 21,156.27, 29,195.97 and 11,596.08 is: 16,002.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,156.27 : 29,195.97 = 11,596.08 : x
  2. Step 2: Convert to fraction form
    21,156.27/29,195.97 = 11,596.08/x
  3. Step 3: Cross multiply
    21,156.27x = 29,195.97 × 11,596.08
  4. Step 4: Simplify right side
    21,156.27x = 338,558,956.77
  5. Step 5: Solve for x
    x = 338,558,956.77/21,156.27
  6. Step 6: Final answer
    x = 16,002.77

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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.