Home / 21,081.92-29,094.87-11,652.30

Finding the Fourth Proportional to 21,081.92, 29,094.87 and 11,652.30

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Solution

The fourth proportional to 21,081.92, 29,094.87 and 11,652.30 is: 16,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,081.92 : 29,094.87 = 11,652.30 : x
  2. Step 2: Convert to fraction form
    21,081.92/29,094.87 = 11,652.30/x
  3. Step 3: Cross multiply
    21,081.92x = 29,094.87 × 11,652.30
  4. Step 4: Simplify right side
    21,081.92x = 339,022,153.70
  5. Step 5: Solve for x
    x = 339,022,153.70/21,081.92
  6. Step 6: Final answer
    x = 16,081.18

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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.