Home / 10,522.20-15,764.10-8,563.80

Finding the Fourth Proportional to 10,522.20, 15,764.10 and 8,563.80

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Solution

The fourth proportional to 10,522.20, 15,764.10 and 8,563.80 is: 12,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.20 : 15,764.10 = 8,563.80 : x
  2. Step 2: Convert to fraction form
    10,522.20/15,764.10 = 8,563.80/x
  3. Step 3: Cross multiply
    10,522.20x = 15,764.10 × 8,563.80
  4. Step 4: Simplify right side
    10,522.20x = 135,000,599.58
  5. Step 5: Solve for x
    x = 135,000,599.58/10,522.20
  6. Step 6: Final answer
    x = 12,830.07

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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.