Home / 18,346.80-27,529.03-8,981.72

Finding the Fourth Proportional to 18,346.80, 27,529.03 and 8,981.72

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Solution

The fourth proportional to 18,346.80, 27,529.03 and 8,981.72 is: 13,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.80 : 27,529.03 = 8,981.72 : x
  2. Step 2: Convert to fraction form
    18,346.80/27,529.03 = 8,981.72/x
  3. Step 3: Cross multiply
    18,346.80x = 27,529.03 × 8,981.72
  4. Step 4: Simplify right side
    18,346.80x = 247,257,901.69
  5. Step 5: Solve for x
    x = 247,257,901.69/18,346.80
  6. Step 6: Final answer
    x = 13,476.90

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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.