Home / 18,882.67-28,322.55-5,735.11

Finding the Fourth Proportional to 18,882.67, 28,322.55 and 5,735.11

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Solution

The fourth proportional to 18,882.67, 28,322.55 and 5,735.11 is: 8,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.67 : 28,322.55 = 5,735.11 : x
  2. Step 2: Convert to fraction form
    18,882.67/28,322.55 = 5,735.11/x
  3. Step 3: Cross multiply
    18,882.67x = 28,322.55 × 5,735.11
  4. Step 4: Simplify right side
    18,882.67x = 162,432,939.73
  5. Step 5: Solve for x
    x = 162,432,939.73/18,882.67
  6. Step 6: Final answer
    x = 8,602.22

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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.