Home / 18,453.23-27,663.41-6,763.72

Finding the Fourth Proportional to 18,453.23, 27,663.41 and 6,763.72

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Solution

The fourth proportional to 18,453.23, 27,663.41 and 6,763.72 is: 10,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.23 : 27,663.41 = 6,763.72 : x
  2. Step 2: Convert to fraction form
    18,453.23/27,663.41 = 6,763.72/x
  3. Step 3: Cross multiply
    18,453.23x = 27,663.41 × 6,763.72
  4. Step 4: Simplify right side
    18,453.23x = 187,107,507.24
  5. Step 5: Solve for x
    x = 187,107,507.24/18,453.23
  6. Step 6: Final answer
    x = 10,139.55

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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.