Home / 13,914.29-20,871.45-6,523.91

Finding the Fourth Proportional to 13,914.29, 20,871.45 and 6,523.91

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Solution

The fourth proportional to 13,914.29, 20,871.45 and 6,523.91 is: 9,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.29 : 20,871.45 = 6,523.91 : x
  2. Step 2: Convert to fraction form
    13,914.29/20,871.45 = 6,523.91/x
  3. Step 3: Cross multiply
    13,914.29x = 20,871.45 × 6,523.91
  4. Step 4: Simplify right side
    13,914.29x = 136,163,357.01
  5. Step 5: Solve for x
    x = 136,163,357.01/13,914.29
  6. Step 6: Final answer
    x = 9,785.87

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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.