Home / 13,935.01-20,900.34-4,071.64

Finding the Fourth Proportional to 13,935.01, 20,900.34 and 4,071.64

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Solution

The fourth proportional to 13,935.01, 20,900.34 and 4,071.64 is: 6,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.01 : 20,900.34 = 4,071.64 : x
  2. Step 2: Convert to fraction form
    13,935.01/20,900.34 = 4,071.64/x
  3. Step 3: Cross multiply
    13,935.01x = 20,900.34 × 4,071.64
  4. Step 4: Simplify right side
    13,935.01x = 85,098,660.36
  5. Step 5: Solve for x
    x = 85,098,660.36/13,935.01
  6. Step 6: Final answer
    x = 6,106.82

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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.