Home / 14,331.86-19,777.68-7,958.12

Finding the Fourth Proportional to 14,331.86, 19,777.68 and 7,958.12

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Solution

The fourth proportional to 14,331.86, 19,777.68 and 7,958.12 is: 10,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.86 : 19,777.68 = 7,958.12 : x
  2. Step 2: Convert to fraction form
    14,331.86/19,777.68 = 7,958.12/x
  3. Step 3: Cross multiply
    14,331.86x = 19,777.68 × 7,958.12
  4. Step 4: Simplify right side
    14,331.86x = 157,393,051.87
  5. Step 5: Solve for x
    x = 157,393,051.87/14,331.86
  6. Step 6: Final answer
    x = 10,982.04

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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.