Home / 18,717.86-28,077.45-6,067.33

Finding the Fourth Proportional to 18,717.86, 28,077.45 and 6,067.33

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Solution

The fourth proportional to 18,717.86, 28,077.45 and 6,067.33 is: 9,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.86 : 28,077.45 = 6,067.33 : x
  2. Step 2: Convert to fraction form
    18,717.86/28,077.45 = 6,067.33/x
  3. Step 3: Cross multiply
    18,717.86x = 28,077.45 × 6,067.33
  4. Step 4: Simplify right side
    18,717.86x = 170,355,154.71
  5. Step 5: Solve for x
    x = 170,355,154.71/18,717.86
  6. Step 6: Final answer
    x = 9,101.21

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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.