Home / 18,190.08-27,299.70-9,427.50

Finding the Fourth Proportional to 18,190.08, 27,299.70 and 9,427.50

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Solution

The fourth proportional to 18,190.08, 27,299.70 and 9,427.50 is: 14,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.08 : 27,299.70 = 9,427.50 : x
  2. Step 2: Convert to fraction form
    18,190.08/27,299.70 = 9,427.50/x
  3. Step 3: Cross multiply
    18,190.08x = 27,299.70 × 9,427.50
  4. Step 4: Simplify right side
    18,190.08x = 257,367,921.75
  5. Step 5: Solve for x
    x = 257,367,921.75/18,190.08
  6. Step 6: Final answer
    x = 14,148.81

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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.