Home / 18,601.28-25,668.84-10,218.08

Finding the Fourth Proportional to 18,601.28, 25,668.84 and 10,218.08

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Solution

The fourth proportional to 18,601.28, 25,668.84 and 10,218.08 is: 14,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.28 : 25,668.84 = 10,218.08 : x
  2. Step 2: Convert to fraction form
    18,601.28/25,668.84 = 10,218.08/x
  3. Step 3: Cross multiply
    18,601.28x = 25,668.84 × 10,218.08
  4. Step 4: Simplify right side
    18,601.28x = 262,286,260.63
  5. Step 5: Solve for x
    x = 262,286,260.63/18,601.28
  6. Step 6: Final answer
    x = 14,100.44

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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.