Home / 18,857.03-28,286.96-5,710.46

Finding the Fourth Proportional to 18,857.03, 28,286.96 and 5,710.46

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Solution

The fourth proportional to 18,857.03, 28,286.96 and 5,710.46 is: 8,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.03 : 28,286.96 = 5,710.46 : x
  2. Step 2: Convert to fraction form
    18,857.03/28,286.96 = 5,710.46/x
  3. Step 3: Cross multiply
    18,857.03x = 28,286.96 × 5,710.46
  4. Step 4: Simplify right side
    18,857.03x = 161,531,383.61
  5. Step 5: Solve for x
    x = 161,531,383.61/18,857.03
  6. Step 6: Final answer
    x = 8,566.11

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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.