Home / 18,668.41-25,762.20-10,711.88

Finding the Fourth Proportional to 18,668.41, 25,762.20 and 10,711.88

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Solution

The fourth proportional to 18,668.41, 25,762.20 and 10,711.88 is: 14,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.41 : 25,762.20 = 10,711.88 : x
  2. Step 2: Convert to fraction form
    18,668.41/25,762.20 = 10,711.88/x
  3. Step 3: Cross multiply
    18,668.41x = 25,762.20 × 10,711.88
  4. Step 4: Simplify right side
    18,668.41x = 275,961,582.82
  5. Step 5: Solve for x
    x = 275,961,582.82/18,668.41
  6. Step 6: Final answer
    x = 14,782.28

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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.