Home / 14,991.62-22,498.68-5,640.86

Finding the Fourth Proportional to 14,991.62, 22,498.68 and 5,640.86

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Solution

The fourth proportional to 14,991.62, 22,498.68 and 5,640.86 is: 8,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.62 : 22,498.68 = 5,640.86 : x
  2. Step 2: Convert to fraction form
    14,991.62/22,498.68 = 5,640.86/x
  3. Step 3: Cross multiply
    14,991.62x = 22,498.68 × 5,640.86
  4. Step 4: Simplify right side
    14,991.62x = 126,911,904.06
  5. Step 5: Solve for x
    x = 126,911,904.06/14,991.62
  6. Step 6: Final answer
    x = 8,465.52

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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.