Home / 18,121.63-27,150.98-9,807.37

Finding the Fourth Proportional to 18,121.63, 27,150.98 and 9,807.37

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Solution

The fourth proportional to 18,121.63, 27,150.98 and 9,807.37 is: 14,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.63 : 27,150.98 = 9,807.37 : x
  2. Step 2: Convert to fraction form
    18,121.63/27,150.98 = 9,807.37/x
  3. Step 3: Cross multiply
    18,121.63x = 27,150.98 × 9,807.37
  4. Step 4: Simplify right side
    18,121.63x = 266,279,657.69
  5. Step 5: Solve for x
    x = 266,279,657.69/18,121.63
  6. Step 6: Final answer
    x = 14,694.02

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1.5x scale

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.