Home / 12,933.86-19,380.48-8,992.77

Finding the Fourth Proportional to 12,933.86, 19,380.48 and 8,992.77

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Solution

The fourth proportional to 12,933.86, 19,380.48 and 8,992.77 is: 13,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.86 : 19,380.48 = 8,992.77 : x
  2. Step 2: Convert to fraction form
    12,933.86/19,380.48 = 8,992.77/x
  3. Step 3: Cross multiply
    12,933.86x = 19,380.48 × 8,992.77
  4. Step 4: Simplify right side
    12,933.86x = 174,284,199.13
  5. Step 5: Solve for x
    x = 174,284,199.13/12,933.86
  6. Step 6: Final answer
    x = 13,475.04

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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.