Home / 18,668.04-25,763.46-10,286.12

Finding the Fourth Proportional to 18,668.04, 25,763.46 and 10,286.12

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Solution

The fourth proportional to 18,668.04, 25,763.46 and 10,286.12 is: 14,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.04 : 25,763.46 = 10,286.12 : x
  2. Step 2: Convert to fraction form
    18,668.04/25,763.46 = 10,286.12/x
  3. Step 3: Cross multiply
    18,668.04x = 25,763.46 × 10,286.12
  4. Step 4: Simplify right side
    18,668.04x = 265,006,041.18
  5. Step 5: Solve for x
    x = 265,006,041.18/18,668.04
  6. Step 6: Final answer
    x = 14,195.71

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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.