Home / 20,347.56-30,522.24-8,499.96

Finding the Fourth Proportional to 20,347.56, 30,522.24 and 8,499.96

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Solution

The fourth proportional to 20,347.56, 30,522.24 and 8,499.96 is: 12,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.56 : 30,522.24 = 8,499.96 : x
  2. Step 2: Convert to fraction form
    20,347.56/30,522.24 = 8,499.96/x
  3. Step 3: Cross multiply
    20,347.56x = 30,522.24 × 8,499.96
  4. Step 4: Simplify right side
    20,347.56x = 259,437,819.11
  5. Step 5: Solve for x
    x = 259,437,819.11/20,347.56
  6. Step 6: Final answer
    x = 12,750.32

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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.