Home / 21,606.58-32,408.79-8,461.36

Finding the Fourth Proportional to 21,606.58, 32,408.79 and 8,461.36

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Solution

The fourth proportional to 21,606.58, 32,408.79 and 8,461.36 is: 12,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.58 : 32,408.79 = 8,461.36 : x
  2. Step 2: Convert to fraction form
    21,606.58/32,408.79 = 8,461.36/x
  3. Step 3: Cross multiply
    21,606.58x = 32,408.79 × 8,461.36
  4. Step 4: Simplify right side
    21,606.58x = 274,222,439.35
  5. Step 5: Solve for x
    x = 274,222,439.35/21,606.58
  6. Step 6: Final answer
    x = 12,691.62

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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.