Home / 13,957.13-20,935.76-3,568.88

Finding the Fourth Proportional to 13,957.13, 20,935.76 and 3,568.88

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Solution

The fourth proportional to 13,957.13, 20,935.76 and 3,568.88 is: 5,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.13 : 20,935.76 = 3,568.88 : x
  2. Step 2: Convert to fraction form
    13,957.13/20,935.76 = 3,568.88/x
  3. Step 3: Cross multiply
    13,957.13x = 20,935.76 × 3,568.88
  4. Step 4: Simplify right side
    13,957.13x = 74,717,092.63
  5. Step 5: Solve for x
    x = 74,717,092.63/13,957.13
  6. Step 6: Final answer
    x = 5,353.33

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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.