Home / 18,323.38-27,490.54-12,996.82

Finding the Fourth Proportional to 18,323.38, 27,490.54 and 12,996.82

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Solution

The fourth proportional to 18,323.38, 27,490.54 and 12,996.82 is: 19,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.38 : 27,490.54 = 12,996.82 : x
  2. Step 2: Convert to fraction form
    18,323.38/27,490.54 = 12,996.82/x
  3. Step 3: Cross multiply
    18,323.38x = 27,490.54 × 12,996.82
  4. Step 4: Simplify right side
    18,323.38x = 357,289,600.08
  5. Step 5: Solve for x
    x = 357,289,600.08/18,323.38
  6. Step 6: Final answer
    x = 19,499.11

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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.