Home / 13,957.36-20,934.48-4,096.72

Finding the Fourth Proportional to 13,957.36, 20,934.48 and 4,096.72

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Solution

The fourth proportional to 13,957.36, 20,934.48 and 4,096.72 is: 6,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.36 : 20,934.48 = 4,096.72 : x
  2. Step 2: Convert to fraction form
    13,957.36/20,934.48 = 4,096.72/x
  3. Step 3: Cross multiply
    13,957.36x = 20,934.48 × 4,096.72
  4. Step 4: Simplify right side
    13,957.36x = 85,762,702.91
  5. Step 5: Solve for x
    x = 85,762,702.91/13,957.36
  6. Step 6: Final answer
    x = 6,144.62

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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.