Home / 22,668.91-31,280.70-13,107.26

Finding the Fourth Proportional to 22,668.91, 31,280.70 and 13,107.26

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Solution

The fourth proportional to 22,668.91, 31,280.70 and 13,107.26 is: 18,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.91 : 31,280.70 = 13,107.26 : x
  2. Step 2: Convert to fraction form
    22,668.91/31,280.70 = 13,107.26/x
  3. Step 3: Cross multiply
    22,668.91x = 31,280.70 × 13,107.26
  4. Step 4: Simplify right side
    22,668.91x = 410,004,346.08
  5. Step 5: Solve for x
    x = 410,004,346.08/22,668.91
  6. Step 6: Final answer
    x = 18,086.64

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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.