Home / 19,317.35-28,976.73-6,838.69

Finding the Fourth Proportional to 19,317.35, 28,976.73 and 6,838.69

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Solution

The fourth proportional to 19,317.35, 28,976.73 and 6,838.69 is: 10,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.35 : 28,976.73 = 6,838.69 : x
  2. Step 2: Convert to fraction form
    19,317.35/28,976.73 = 6,838.69/x
  3. Step 3: Cross multiply
    19,317.35x = 28,976.73 × 6,838.69
  4. Step 4: Simplify right side
    19,317.35x = 198,162,873.68
  5. Step 5: Solve for x
    x = 198,162,873.68/19,317.35
  6. Step 6: Final answer
    x = 10,258.28

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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.