Home / 20,473.14-30,704.01-8,783.58

Finding the Fourth Proportional to 20,473.14, 30,704.01 and 8,783.58

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Solution

The fourth proportional to 20,473.14, 30,704.01 and 8,783.58 is: 13,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.14 : 30,704.01 = 8,783.58 : x
  2. Step 2: Convert to fraction form
    20,473.14/30,704.01 = 8,783.58/x
  3. Step 3: Cross multiply
    20,473.14x = 30,704.01 × 8,783.58
  4. Step 4: Simplify right side
    20,473.14x = 269,691,128.16
  5. Step 5: Solve for x
    x = 269,691,128.16/20,473.14
  6. Step 6: Final answer
    x = 13,172.92

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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.