Home / 38,082.78-57,126.84-11,784.06

Finding the Fourth Proportional to 38,082.78, 57,126.84 and 11,784.06

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Solution

The fourth proportional to 38,082.78, 57,126.84 and 11,784.06 is: 17,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.78 : 57,126.84 = 11,784.06 : x
  2. Step 2: Convert to fraction form
    38,082.78/57,126.84 = 11,784.06/x
  3. Step 3: Cross multiply
    38,082.78x = 57,126.84 × 11,784.06
  4. Step 4: Simplify right side
    38,082.78x = 673,186,110.17
  5. Step 5: Solve for x
    x = 673,186,110.17/38,082.78
  6. Step 6: Final answer
    x = 17,676.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.