Home / 25,137.27-37,700.91-12,654.09

Finding the Fourth Proportional to 25,137.27, 37,700.91 and 12,654.09

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Solution

The fourth proportional to 25,137.27, 37,700.91 and 12,654.09 is: 18,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.27 : 37,700.91 = 12,654.09 : x
  2. Step 2: Convert to fraction form
    25,137.27/37,700.91 = 12,654.09/x
  3. Step 3: Cross multiply
    25,137.27x = 37,700.91 × 12,654.09
  4. Step 4: Simplify right side
    25,137.27x = 477,070,708.22
  5. Step 5: Solve for x
    x = 477,070,708.22/25,137.27
  6. Step 6: Final answer
    x = 18,978.62

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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.