Home / 21,157.92-29,196.76-11,596.08

Finding the Fourth Proportional to 21,157.92, 29,196.76 and 11,596.08

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Solution

The fourth proportional to 21,157.92, 29,196.76 and 11,596.08 is: 16,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,157.92 : 29,196.76 = 11,596.08 : x
  2. Step 2: Convert to fraction form
    21,157.92/29,196.76 = 11,596.08/x
  3. Step 3: Cross multiply
    21,157.92x = 29,196.76 × 11,596.08
  4. Step 4: Simplify right side
    21,157.92x = 338,567,964.70
  5. Step 5: Solve for x
    x = 338,567,964.70/21,157.92
  6. Step 6: Final answer
    x = 16,001.95

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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.