Home / 16,388.43-24,582.78-6,530.22

Finding the Fourth Proportional to 16,388.43, 24,582.78 and 6,530.22

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Solution

The fourth proportional to 16,388.43, 24,582.78 and 6,530.22 is: 9,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.43 : 24,582.78 = 6,530.22 : x
  2. Step 2: Convert to fraction form
    16,388.43/24,582.78 = 6,530.22/x
  3. Step 3: Cross multiply
    16,388.43x = 24,582.78 × 6,530.22
  4. Step 4: Simplify right side
    16,388.43x = 160,530,961.61
  5. Step 5: Solve for x
    x = 160,530,961.61/16,388.43
  6. Step 6: Final answer
    x = 9,795.38

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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.