Home / 18,171.66-27,241.32-7,075.76

Finding the Fourth Proportional to 18,171.66, 27,241.32 and 7,075.76

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Solution

The fourth proportional to 18,171.66, 27,241.32 and 7,075.76 is: 10,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.66 : 27,241.32 = 7,075.76 : x
  2. Step 2: Convert to fraction form
    18,171.66/27,241.32 = 7,075.76/x
  3. Step 3: Cross multiply
    18,171.66x = 27,241.32 × 7,075.76
  4. Step 4: Simplify right side
    18,171.66x = 192,753,042.40
  5. Step 5: Solve for x
    x = 192,753,042.40/18,171.66
  6. Step 6: Final answer
    x = 10,607.34

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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.