Home / 21,676.56-32,519.24-12,321.06

Finding the Fourth Proportional to 21,676.56, 32,519.24 and 12,321.06

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Solution

The fourth proportional to 21,676.56, 32,519.24 and 12,321.06 is: 18,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.56 : 32,519.24 = 12,321.06 : x
  2. Step 2: Convert to fraction form
    21,676.56/32,519.24 = 12,321.06/x
  3. Step 3: Cross multiply
    21,676.56x = 32,519.24 × 12,321.06
  4. Step 4: Simplify right side
    21,676.56x = 400,671,445.59
  5. Step 5: Solve for x
    x = 400,671,445.59/21,676.56
  6. Step 6: Final answer
    x = 18,484.09

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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.