Home / 10,418.52-15,626.10-3,847.80

Finding the Fourth Proportional to 10,418.52, 15,626.10 and 3,847.80

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Solution

The fourth proportional to 10,418.52, 15,626.10 and 3,847.80 is: 5,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.52 : 15,626.10 = 3,847.80 : x
  2. Step 2: Convert to fraction form
    10,418.52/15,626.10 = 3,847.80/x
  3. Step 3: Cross multiply
    10,418.52x = 15,626.10 × 3,847.80
  4. Step 4: Simplify right side
    10,418.52x = 60,126,107.58
  5. Step 5: Solve for x
    x = 60,126,107.58/10,418.52
  6. Step 6: Final answer
    x = 5,771.08

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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.