Home / 21,084.20-29,096.10-11,652.83

Finding the Fourth Proportional to 21,084.20, 29,096.10 and 11,652.83

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Solution

The fourth proportional to 21,084.20, 29,096.10 and 11,652.83 is: 16,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.20 : 29,096.10 = 11,652.83 : x
  2. Step 2: Convert to fraction form
    21,084.20/29,096.10 = 11,652.83/x
  3. Step 3: Cross multiply
    21,084.20x = 29,096.10 × 11,652.83
  4. Step 4: Simplify right side
    21,084.20x = 339,051,761.48
  5. Step 5: Solve for x
    x = 339,051,761.48/21,084.20
  6. Step 6: Final answer
    x = 16,080.85

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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.