Home / 12,582.22-18,878.50-5,558.52

Finding the Fourth Proportional to 12,582.22, 18,878.50 and 5,558.52

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Solution

The fourth proportional to 12,582.22, 18,878.50 and 5,558.52 is: 8,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.22 : 18,878.50 = 5,558.52 : x
  2. Step 2: Convert to fraction form
    12,582.22/18,878.50 = 5,558.52/x
  3. Step 3: Cross multiply
    12,582.22x = 18,878.50 × 5,558.52
  4. Step 4: Simplify right side
    12,582.22x = 104,936,519.82
  5. Step 5: Solve for x
    x = 104,936,519.82/12,582.22
  6. Step 6: Final answer
    x = 8,340.06

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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.