Home / 18,190.56-27,300.42-9,427.98

Finding the Fourth Proportional to 18,190.56, 27,300.42 and 9,427.98

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Solution

The fourth proportional to 18,190.56, 27,300.42 and 9,427.98 is: 14,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.56 : 27,300.42 = 9,427.98 : x
  2. Step 2: Convert to fraction form
    18,190.56/27,300.42 = 9,427.98/x
  3. Step 3: Cross multiply
    18,190.56x = 27,300.42 × 9,427.98
  4. Step 4: Simplify right side
    18,190.56x = 257,387,766.61
  5. Step 5: Solve for x
    x = 257,387,766.61/18,190.56
  6. Step 6: Final answer
    x = 14,149.52

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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.