Home / 19,204.86-28,811.57-5,879.72

Finding the Fourth Proportional to 19,204.86, 28,811.57 and 5,879.72

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Solution

The fourth proportional to 19,204.86, 28,811.57 and 5,879.72 is: 8,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.86 : 28,811.57 = 5,879.72 : x
  2. Step 2: Convert to fraction form
    19,204.86/28,811.57 = 5,879.72/x
  3. Step 3: Cross multiply
    19,204.86x = 28,811.57 × 5,879.72
  4. Step 4: Simplify right side
    19,204.86x = 169,403,940.48
  5. Step 5: Solve for x
    x = 169,403,940.48/19,204.86
  6. Step 6: Final answer
    x = 8,820.89

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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.