Home / 18,736.86-25,856.64-10,238.94

Finding the Fourth Proportional to 18,736.86, 25,856.64 and 10,238.94

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Solution

The fourth proportional to 18,736.86, 25,856.64 and 10,238.94 is: 14,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.86 : 25,856.64 = 10,238.94 : x
  2. Step 2: Convert to fraction form
    18,736.86/25,856.64 = 10,238.94/x
  3. Step 3: Cross multiply
    18,736.86x = 25,856.64 × 10,238.94
  4. Step 4: Simplify right side
    18,736.86x = 264,744,585.56
  5. Step 5: Solve for x
    x = 264,744,585.56/18,736.86
  6. Step 6: Final answer
    x = 14,129.61

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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.