Home / 10,408.58-15,614.96-3,834.80

Finding the Fourth Proportional to 10,408.58, 15,614.96 and 3,834.80

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Solution

The fourth proportional to 10,408.58, 15,614.96 and 3,834.80 is: 5,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.58 : 15,614.96 = 3,834.80 : x
  2. Step 2: Convert to fraction form
    10,408.58/15,614.96 = 3,834.80/x
  3. Step 3: Cross multiply
    10,408.58x = 15,614.96 × 3,834.80
  4. Step 4: Simplify right side
    10,408.58x = 59,880,151.36
  5. Step 5: Solve for x
    x = 59,880,151.36/10,408.58
  6. Step 6: Final answer
    x = 5,752.96

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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.