Home / 18,299.25-27,448.89-5,151.62

Finding the Fourth Proportional to 18,299.25, 27,448.89 and 5,151.62

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Solution

The fourth proportional to 18,299.25, 27,448.89 and 5,151.62 is: 7,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.25 : 27,448.89 = 5,151.62 : x
  2. Step 2: Convert to fraction form
    18,299.25/27,448.89 = 5,151.62/x
  3. Step 3: Cross multiply
    18,299.25x = 27,448.89 × 5,151.62
  4. Step 4: Simplify right side
    18,299.25x = 141,406,319.32
  5. Step 5: Solve for x
    x = 141,406,319.32/18,299.25
  6. Step 6: Final answer
    x = 7,727.44

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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.