Home / 15,539.53-23,309.46-8,515.72

Finding the Fourth Proportional to 15,539.53, 23,309.46 and 8,515.72

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Solution

The fourth proportional to 15,539.53, 23,309.46 and 8,515.72 is: 12,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.53 : 23,309.46 = 8,515.72 : x
  2. Step 2: Convert to fraction form
    15,539.53/23,309.46 = 8,515.72/x
  3. Step 3: Cross multiply
    15,539.53x = 23,309.46 × 8,515.72
  4. Step 4: Simplify right side
    15,539.53x = 198,496,819.09
  5. Step 5: Solve for x
    x = 198,496,819.09/15,539.53
  6. Step 6: Final answer
    x = 12,773.67

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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.