Home / 25,137.16-37,648.32-11,998.78

Finding the Fourth Proportional to 25,137.16, 37,648.32 and 11,998.78

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Solution

The fourth proportional to 25,137.16, 37,648.32 and 11,998.78 is: 17,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.16 : 37,648.32 = 11,998.78 : x
  2. Step 2: Convert to fraction form
    25,137.16/37,648.32 = 11,998.78/x
  3. Step 3: Cross multiply
    25,137.16x = 37,648.32 × 11,998.78
  4. Step 4: Simplify right side
    25,137.16x = 451,733,909.05
  5. Step 5: Solve for x
    x = 451,733,909.05/25,137.16
  6. Step 6: Final answer
    x = 17,970.76

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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.