Home / 12,727.18-19,084.27-5,329.62

Finding the Fourth Proportional to 12,727.18, 19,084.27 and 5,329.62

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Solution

The fourth proportional to 12,727.18, 19,084.27 and 5,329.62 is: 7,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.18 : 19,084.27 = 5,329.62 : x
  2. Step 2: Convert to fraction form
    12,727.18/19,084.27 = 5,329.62/x
  3. Step 3: Cross multiply
    12,727.18x = 19,084.27 × 5,329.62
  4. Step 4: Simplify right side
    12,727.18x = 101,711,907.08
  5. Step 5: Solve for x
    x = 101,711,907.08/12,727.18
  6. Step 6: Final answer
    x = 7,991.71

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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.