Home / 18,163.19-27,241.36-5,681.34

Finding the Fourth Proportional to 18,163.19, 27,241.36 and 5,681.34

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Solution

The fourth proportional to 18,163.19, 27,241.36 and 5,681.34 is: 8,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.19 : 27,241.36 = 5,681.34 : x
  2. Step 2: Convert to fraction form
    18,163.19/27,241.36 = 5,681.34/x
  3. Step 3: Cross multiply
    18,163.19x = 27,241.36 × 5,681.34
  4. Step 4: Simplify right side
    18,163.19x = 154,767,445.98
  5. Step 5: Solve for x
    x = 154,767,445.98/18,163.19
  6. Step 6: Final answer
    x = 8,520.94

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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.