Home / 18,910.86-26,096.76-10,412.80

Finding the Fourth Proportional to 18,910.86, 26,096.76 and 10,412.80

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Solution

The fourth proportional to 18,910.86, 26,096.76 and 10,412.80 is: 14,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.86 : 26,096.76 = 10,412.80 : x
  2. Step 2: Convert to fraction form
    18,910.86/26,096.76 = 10,412.80/x
  3. Step 3: Cross multiply
    18,910.86x = 26,096.76 × 10,412.80
  4. Step 4: Simplify right side
    18,910.86x = 271,740,342.53
  5. Step 5: Solve for x
    x = 271,740,342.53/18,910.86
  6. Step 6: Final answer
    x = 14,369.54

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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.