Home / 21,164.60-29,208.33-11,732.96

Finding the Fourth Proportional to 21,164.60, 29,208.33 and 11,732.96

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Solution

The fourth proportional to 21,164.60, 29,208.33 and 11,732.96 is: 16,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164.60 : 29,208.33 = 11,732.96 : x
  2. Step 2: Convert to fraction form
    21,164.60/29,208.33 = 11,732.96/x
  3. Step 3: Cross multiply
    21,164.60x = 29,208.33 × 11,732.96
  4. Step 4: Simplify right side
    21,164.60x = 342,700,021.52
  5. Step 5: Solve for x
    x = 342,700,021.52/21,164.60
  6. Step 6: Final answer
    x = 16,192.14

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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.