Home / 18,189.37-27,263.82-7,656.28

Finding the Fourth Proportional to 18,189.37, 27,263.82 and 7,656.28

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Solution

The fourth proportional to 18,189.37, 27,263.82 and 7,656.28 is: 11,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.37 : 27,263.82 = 7,656.28 : x
  2. Step 2: Convert to fraction form
    18,189.37/27,263.82 = 7,656.28/x
  3. Step 3: Cross multiply
    18,189.37x = 27,263.82 × 7,656.28
  4. Step 4: Simplify right side
    18,189.37x = 208,739,439.79
  5. Step 5: Solve for x
    x = 208,739,439.79/18,189.37
  6. Step 6: Final answer
    x = 11,475.90

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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.