Home / 21,082.91-29,094.15-11,522.75

Finding the Fourth Proportional to 21,082.91, 29,094.15 and 11,522.75

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Solution

The fourth proportional to 21,082.91, 29,094.15 and 11,522.75 is: 15,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.91 : 29,094.15 = 11,522.75 : x
  2. Step 2: Convert to fraction form
    21,082.91/29,094.15 = 11,522.75/x
  3. Step 3: Cross multiply
    21,082.91x = 29,094.15 × 11,522.75
  4. Step 4: Simplify right side
    21,082.91x = 335,244,471.44
  5. Step 5: Solve for x
    x = 335,244,471.44/21,082.91
  6. Step 6: Final answer
    x = 15,901.25

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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.