Home / 19,124.86-28,654.89-11,713.84

Finding the Fourth Proportional to 19,124.86, 28,654.89 and 11,713.84

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Solution

The fourth proportional to 19,124.86, 28,654.89 and 11,713.84 is: 17,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.86 : 28,654.89 = 11,713.84 : x
  2. Step 2: Convert to fraction form
    19,124.86/28,654.89 = 11,713.84/x
  3. Step 3: Cross multiply
    19,124.86x = 28,654.89 × 11,713.84
  4. Step 4: Simplify right side
    19,124.86x = 335,658,796.68
  5. Step 5: Solve for x
    x = 335,658,796.68/19,124.86
  6. Step 6: Final answer
    x = 17,550.92

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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.