Home / 18,135.03-27,202.57-9,818.96

Finding the Fourth Proportional to 18,135.03, 27,202.57 and 9,818.96

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Solution

The fourth proportional to 18,135.03, 27,202.57 and 9,818.96 is: 14,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.03 : 27,202.57 = 9,818.96 : x
  2. Step 2: Convert to fraction form
    18,135.03/27,202.57 = 9,818.96/x
  3. Step 3: Cross multiply
    18,135.03x = 27,202.57 × 9,818.96
  4. Step 4: Simplify right side
    18,135.03x = 267,100,939.18
  5. Step 5: Solve for x
    x = 267,100,939.18/18,135.03
  6. Step 6: Final answer
    x = 14,728.45

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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.