Home / 18,837.62-28,249.79-5,507.04

Finding the Fourth Proportional to 18,837.62, 28,249.79 and 5,507.04

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Solution

The fourth proportional to 18,837.62, 28,249.79 and 5,507.04 is: 8,258.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.62 : 28,249.79 = 5,507.04 : x
  2. Step 2: Convert to fraction form
    18,837.62/28,249.79 = 5,507.04/x
  3. Step 3: Cross multiply
    18,837.62x = 28,249.79 × 5,507.04
  4. Step 4: Simplify right side
    18,837.62x = 155,572,695.99
  5. Step 5: Solve for x
    x = 155,572,695.99/18,837.62
  6. Step 6: Final answer
    x = 8,258.62

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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.