Home / 18,436.05-27,653.90-5,288.49

Finding the Fourth Proportional to 18,436.05, 27,653.90 and 5,288.49

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Solution

The fourth proportional to 18,436.05, 27,653.90 and 5,288.49 is: 7,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.05 : 27,653.90 = 5,288.49 : x
  2. Step 2: Convert to fraction form
    18,436.05/27,653.90 = 5,288.49/x
  3. Step 3: Cross multiply
    18,436.05x = 27,653.90 × 5,288.49
  4. Step 4: Simplify right side
    18,436.05x = 146,247,347.17
  5. Step 5: Solve for x
    x = 146,247,347.17/18,436.05
  6. Step 6: Final answer
    x = 7,932.68

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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.