Home / 21,082.50-29,094.26-11,650.86

Finding the Fourth Proportional to 21,082.50, 29,094.26 and 11,650.86

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Solution

The fourth proportional to 21,082.50, 29,094.26 and 11,650.86 is: 16,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.50 : 29,094.26 = 11,650.86 : x
  2. Step 2: Convert to fraction form
    21,082.50/29,094.26 = 11,650.86/x
  3. Step 3: Cross multiply
    21,082.50x = 29,094.26 × 11,650.86
  4. Step 4: Simplify right side
    21,082.50x = 338,973,091.81
  5. Step 5: Solve for x
    x = 338,973,091.81/21,082.50
  6. Step 6: Final answer
    x = 16,078.41

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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.