Home / 18,668.12-25,761.78-10,284.62

Finding the Fourth Proportional to 18,668.12, 25,761.78 and 10,284.62

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Solution

The fourth proportional to 18,668.12, 25,761.78 and 10,284.62 is: 14,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.12 : 25,761.78 = 10,284.62 : x
  2. Step 2: Convert to fraction form
    18,668.12/25,761.78 = 10,284.62/x
  3. Step 3: Cross multiply
    18,668.12x = 25,761.78 × 10,284.62
  4. Step 4: Simplify right side
    18,668.12x = 264,949,989.01
  5. Step 5: Solve for x
    x = 264,949,989.01/18,668.12
  6. Step 6: Final answer
    x = 14,192.65

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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.