Home / 25,139.58-37,714.10-11,992.88

Finding the Fourth Proportional to 25,139.58, 37,714.10 and 11,992.88

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Solution

The fourth proportional to 25,139.58, 37,714.10 and 11,992.88 is: 17,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.58 : 37,714.10 = 11,992.88 : x
  2. Step 2: Convert to fraction form
    25,139.58/37,714.10 = 11,992.88/x
  3. Step 3: Cross multiply
    25,139.58x = 37,714.10 × 11,992.88
  4. Step 4: Simplify right side
    25,139.58x = 452,300,427.07
  5. Step 5: Solve for x
    x = 452,300,427.07/25,139.58
  6. Step 6: Final answer
    x = 17,991.57

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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.