Home / 18,253.49-27,380.24-7,165.40

Finding the Fourth Proportional to 18,253.49, 27,380.24 and 7,165.40

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Solution

The fourth proportional to 18,253.49, 27,380.24 and 7,165.40 is: 10,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.49 : 27,380.24 = 7,165.40 : x
  2. Step 2: Convert to fraction form
    18,253.49/27,380.24 = 7,165.40/x
  3. Step 3: Cross multiply
    18,253.49x = 27,380.24 × 7,165.40
  4. Step 4: Simplify right side
    18,253.49x = 196,190,335.87
  5. Step 5: Solve for x
    x = 196,190,335.87/18,253.49
  6. Step 6: Final answer
    x = 10,748.10

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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.