Home / 13,660.88-20,476.56-6,626

Finding the Fourth Proportional to 13,660.88, 20,476.56 and 6,626

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Solution

The fourth proportional to 13,660.88, 20,476.56 and 6,626 is: 9,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.88 : 20,476.56 = 6,626 : x
  2. Step 2: Convert to fraction form
    13,660.88/20,476.56 = 6,626/x
  3. Step 3: Cross multiply
    13,660.88x = 20,476.56 × 6,626
  4. Step 4: Simplify right side
    13,660.88x = 135,677,686.56
  5. Step 5: Solve for x
    x = 135,677,686.56/13,660.88
  6. Step 6: Final answer
    x = 9,931.84

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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.