Home / 13,835.28-20,746.80-3,972.27

Finding the Fourth Proportional to 13,835.28, 20,746.80 and 3,972.27

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Solution

The fourth proportional to 13,835.28, 20,746.80 and 3,972.27 is: 5,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.28 : 20,746.80 = 3,972.27 : x
  2. Step 2: Convert to fraction form
    13,835.28/20,746.80 = 3,972.27/x
  3. Step 3: Cross multiply
    13,835.28x = 20,746.80 × 3,972.27
  4. Step 4: Simplify right side
    13,835.28x = 82,411,891.24
  5. Step 5: Solve for x
    x = 82,411,891.24/13,835.28
  6. Step 6: Final answer
    x = 5,956.65

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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.