Home / 21,610.12-32,414.85-13,179.10

Finding the Fourth Proportional to 21,610.12, 32,414.85 and 13,179.10

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Solution

The fourth proportional to 21,610.12, 32,414.85 and 13,179.10 is: 19,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.12 : 32,414.85 = 13,179.10 : x
  2. Step 2: Convert to fraction form
    21,610.12/32,414.85 = 13,179.10/x
  3. Step 3: Cross multiply
    21,610.12x = 32,414.85 × 13,179.10
  4. Step 4: Simplify right side
    21,610.12x = 427,198,549.64
  5. Step 5: Solve for x
    x = 427,198,549.64/21,610.12
  6. Step 6: Final answer
    x = 19,768.45

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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.