Home / 11,605.21-16,015.10-6,299.92

Finding the Fourth Proportional to 11,605.21, 16,015.10 and 6,299.92

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Solution

The fourth proportional to 11,605.21, 16,015.10 and 6,299.92 is: 8,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.21 : 16,015.10 = 6,299.92 : x
  2. Step 2: Convert to fraction form
    11,605.21/16,015.10 = 6,299.92/x
  3. Step 3: Cross multiply
    11,605.21x = 16,015.10 × 6,299.92
  4. Step 4: Simplify right side
    11,605.21x = 100,893,737.22
  5. Step 5: Solve for x
    x = 100,893,737.22/11,605.21
  6. Step 6: Final answer
    x = 8,693.83

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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.