Home / 11,582.80-15,983.82-6,277.51

Finding the Fourth Proportional to 11,582.80, 15,983.82 and 6,277.51

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Solution

The fourth proportional to 11,582.80, 15,983.82 and 6,277.51 is: 8,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,582.80 : 15,983.82 = 6,277.51 : x
  2. Step 2: Convert to fraction form
    11,582.80/15,983.82 = 6,277.51/x
  3. Step 3: Cross multiply
    11,582.80x = 15,983.82 × 6,277.51
  4. Step 4: Simplify right side
    11,582.80x = 100,338,589.89
  5. Step 5: Solve for x
    x = 100,338,589.89/11,582.80
  6. Step 6: Final answer
    x = 8,662.72

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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.