Home / 21,514.41-29,692.67-12,082.97

Finding the Fourth Proportional to 21,514.41, 29,692.67 and 12,082.97

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Solution

The fourth proportional to 21,514.41, 29,692.67 and 12,082.97 is: 16,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.41 : 29,692.67 = 12,082.97 : x
  2. Step 2: Convert to fraction form
    21,514.41/29,692.67 = 12,082.97/x
  3. Step 3: Cross multiply
    21,514.41x = 29,692.67 × 12,082.97
  4. Step 4: Simplify right side
    21,514.41x = 358,775,580.42
  5. Step 5: Solve for x
    x = 358,775,580.42/21,514.41
  6. Step 6: Final answer
    x = 16,676.06

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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.