Home / 13,450.30-20,127.45-8,522.30

Finding the Fourth Proportional to 13,450.30, 20,127.45 and 8,522.30

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Solution

The fourth proportional to 13,450.30, 20,127.45 and 8,522.30 is: 12,753.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.30 : 20,127.45 = 8,522.30 : x
  2. Step 2: Convert to fraction form
    13,450.30/20,127.45 = 8,522.30/x
  3. Step 3: Cross multiply
    13,450.30x = 20,127.45 × 8,522.30
  4. Step 4: Simplify right side
    13,450.30x = 171,532,167.14
  5. Step 5: Solve for x
    x = 171,532,167.14/13,450.30
  6. Step 6: Final answer
    x = 12,753.04

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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.