Home / 20,349.93-28,096.62-12,704.86

Finding the Fourth Proportional to 20,349.93, 28,096.62 and 12,704.86

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Solution

The fourth proportional to 20,349.93, 28,096.62 and 12,704.86 is: 17,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.93 : 28,096.62 = 12,704.86 : x
  2. Step 2: Convert to fraction form
    20,349.93/28,096.62 = 12,704.86/x
  3. Step 3: Cross multiply
    20,349.93x = 28,096.62 × 12,704.86
  4. Step 4: Simplify right side
    20,349.93x = 356,963,504.03
  5. Step 5: Solve for x
    x = 356,963,504.03/20,349.93
  6. Step 6: Final answer
    x = 17,541.26

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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.