Home / 15,594.92-21,520.20-8,519.96

Finding the Fourth Proportional to 15,594.92, 21,520.20 and 8,519.96

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Solution

The fourth proportional to 15,594.92, 21,520.20 and 8,519.96 is: 11,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594.92 : 21,520.20 = 8,519.96 : x
  2. Step 2: Convert to fraction form
    15,594.92/21,520.20 = 8,519.96/x
  3. Step 3: Cross multiply
    15,594.92x = 21,520.20 × 8,519.96
  4. Step 4: Simplify right side
    15,594.92x = 183,351,243.19
  5. Step 5: Solve for x
    x = 183,351,243.19/15,594.92
  6. Step 6: Final answer
    x = 11,757.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.