Home / 20,596.24-30,889.62-12,278.60

Finding the Fourth Proportional to 20,596.24, 30,889.62 and 12,278.60

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Solution

The fourth proportional to 20,596.24, 30,889.62 and 12,278.60 is: 18,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.24 : 30,889.62 = 12,278.60 : x
  2. Step 2: Convert to fraction form
    20,596.24/30,889.62 = 12,278.60/x
  3. Step 3: Cross multiply
    20,596.24x = 30,889.62 × 12,278.60
  4. Step 4: Simplify right side
    20,596.24x = 379,281,288.13
  5. Step 5: Solve for x
    x = 379,281,288.13/20,596.24
  6. Step 6: Final answer
    x = 18,415.07

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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.