Home / 9,318.69-12,860.03-5,069.99

Finding the Fourth Proportional to 9,318.69, 12,860.03 and 5,069.99

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Solution

The fourth proportional to 9,318.69, 12,860.03 and 5,069.99 is: 6,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.69 : 12,860.03 = 5,069.99 : x
  2. Step 2: Convert to fraction form
    9,318.69/12,860.03 = 5,069.99/x
  3. Step 3: Cross multiply
    9,318.69x = 12,860.03 × 5,069.99
  4. Step 4: Simplify right side
    9,318.69x = 65,200,133.85
  5. Step 5: Solve for x
    x = 65,200,133.85/9,318.69
  6. Step 6: Final answer
    x = 6,996.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.