Home / 21,519.63-32,294.34-8,372.07

Finding the Fourth Proportional to 21,519.63, 32,294.34 and 8,372.07

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Solution

The fourth proportional to 21,519.63, 32,294.34 and 8,372.07 is: 12,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.63 : 32,294.34 = 8,372.07 : x
  2. Step 2: Convert to fraction form
    21,519.63/32,294.34 = 8,372.07/x
  3. Step 3: Cross multiply
    21,519.63x = 32,294.34 × 8,372.07
  4. Step 4: Simplify right side
    21,519.63x = 270,370,475.08
  5. Step 5: Solve for x
    x = 270,370,475.08/21,519.63
  6. Step 6: Final answer
    x = 12,563.90

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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.