Home / 20,063.79-30,099.33-11,303.64

Finding the Fourth Proportional to 20,063.79, 30,099.33 and 11,303.64

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Solution

The fourth proportional to 20,063.79, 30,099.33 and 11,303.64 is: 16,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.79 : 30,099.33 = 11,303.64 : x
  2. Step 2: Convert to fraction form
    20,063.79/30,099.33 = 11,303.64/x
  3. Step 3: Cross multiply
    20,063.79x = 30,099.33 × 11,303.64
  4. Step 4: Simplify right side
    20,063.79x = 340,231,990.56
  5. Step 5: Solve for x
    x = 340,231,990.56/20,063.79
  6. Step 6: Final answer
    x = 16,957.51

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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.