Home / 25,186.38-37,754.97-12,668.85

Finding the Fourth Proportional to 25,186.38, 37,754.97 and 12,668.85

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Solution

The fourth proportional to 25,186.38, 37,754.97 and 12,668.85 is: 18,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.38 : 37,754.97 = 12,668.85 : x
  2. Step 2: Convert to fraction form
    25,186.38/37,754.97 = 12,668.85/x
  3. Step 3: Cross multiply
    25,186.38x = 37,754.97 × 12,668.85
  4. Step 4: Simplify right side
    25,186.38x = 478,312,051.68
  5. Step 5: Solve for x
    x = 478,312,051.68/25,186.38
  6. Step 6: Final answer
    x = 18,990.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.