Home / 18,621.45-25,668.01-14,635.71

Finding the Fourth Proportional to 18,621.45, 25,668.01 and 14,635.71

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Solution

The fourth proportional to 18,621.45, 25,668.01 and 14,635.71 is: 20,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.45 : 25,668.01 = 14,635.71 : x
  2. Step 2: Convert to fraction form
    18,621.45/25,668.01 = 14,635.71/x
  3. Step 3: Cross multiply
    18,621.45x = 25,668.01 × 14,635.71
  4. Step 4: Simplify right side
    18,621.45x = 375,669,550.64
  5. Step 5: Solve for x
    x = 375,669,550.64/18,621.45
  6. Step 6: Final answer
    x = 20,174.02

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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.