Home / 13,606.62-20,423.70-9,163.77

Finding the Fourth Proportional to 13,606.62, 20,423.70 and 9,163.77

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Solution

The fourth proportional to 13,606.62, 20,423.70 and 9,163.77 is: 13,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.62 : 20,423.70 = 9,163.77 : x
  2. Step 2: Convert to fraction form
    13,606.62/20,423.70 = 9,163.77/x
  3. Step 3: Cross multiply
    13,606.62x = 20,423.70 × 9,163.77
  4. Step 4: Simplify right side
    13,606.62x = 187,158,089.35
  5. Step 5: Solve for x
    x = 187,158,089.35/13,606.62
  6. Step 6: Final answer
    x = 13,754.93

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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.