Home / 9,318.69-13,890.24-8,571.33

Finding the Fourth Proportional to 9,318.69, 13,890.24 and 8,571.33

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Solution

The fourth proportional to 9,318.69, 13,890.24 and 8,571.33 is: 12,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.69 : 13,890.24 = 8,571.33 : x
  2. Step 2: Convert to fraction form
    9,318.69/13,890.24 = 8,571.33/x
  3. Step 3: Cross multiply
    9,318.69x = 13,890.24 × 8,571.33
  4. Step 4: Simplify right side
    9,318.69x = 119,057,830.82
  5. Step 5: Solve for x
    x = 119,057,830.82/9,318.69
  6. Step 6: Final answer
    x = 12,776.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.