Home / 20,004.56-30,006.84-13,084.88

Finding the Fourth Proportional to 20,004.56, 30,006.84 and 13,084.88

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Solution

The fourth proportional to 20,004.56, 30,006.84 and 13,084.88 is: 19,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.56 : 30,006.84 = 13,084.88 : x
  2. Step 2: Convert to fraction form
    20,004.56/30,006.84 = 13,084.88/x
  3. Step 3: Cross multiply
    20,004.56x = 30,006.84 × 13,084.88
  4. Step 4: Simplify right side
    20,004.56x = 392,635,900.58
  5. Step 5: Solve for x
    x = 392,635,900.58/20,004.56
  6. Step 6: Final answer
    x = 19,627.32

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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.