Home / 10,858.91-16,289.35-3,838.19

Finding the Fourth Proportional to 10,858.91, 16,289.35 and 3,838.19

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Solution

The fourth proportional to 10,858.91, 16,289.35 and 3,838.19 is: 5,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.91 : 16,289.35 = 3,838.19 : x
  2. Step 2: Convert to fraction form
    10,858.91/16,289.35 = 3,838.19/x
  3. Step 3: Cross multiply
    10,858.91x = 16,289.35 × 3,838.19
  4. Step 4: Simplify right side
    10,858.91x = 62,521,550.82
  5. Step 5: Solve for x
    x = 62,521,550.82/10,858.91
  6. Step 6: Final answer
    x = 5,757.63

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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.