Home / 10,355.21-14,285.42-6,103.37

Finding the Fourth Proportional to 10,355.21, 14,285.42 and 6,103.37

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Solution

The fourth proportional to 10,355.21, 14,285.42 and 6,103.37 is: 8,419.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.21 : 14,285.42 = 6,103.37 : x
  2. Step 2: Convert to fraction form
    10,355.21/14,285.42 = 6,103.37/x
  3. Step 3: Cross multiply
    10,355.21x = 14,285.42 × 6,103.37
  4. Step 4: Simplify right side
    10,355.21x = 87,189,101.92
  5. Step 5: Solve for x
    x = 87,189,101.92/10,355.21
  6. Step 6: Final answer
    x = 8,419.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.