Home / 22,949.28-31,668.88-13,011.36

Finding the Fourth Proportional to 22,949.28, 31,668.88 and 13,011.36

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Solution

The fourth proportional to 22,949.28, 31,668.88 and 13,011.36 is: 17,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.28 : 31,668.88 = 13,011.36 : x
  2. Step 2: Convert to fraction form
    22,949.28/31,668.88 = 13,011.36/x
  3. Step 3: Cross multiply
    22,949.28x = 31,668.88 × 13,011.36
  4. Step 4: Simplify right side
    22,949.28x = 412,055,198.48
  5. Step 5: Solve for x
    x = 412,055,198.48/22,949.28
  6. Step 6: Final answer
    x = 17,955.04

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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.