Home / 11,813.96-16,303.28-6,436.37

Finding the Fourth Proportional to 11,813.96, 16,303.28 and 6,436.37

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Solution

The fourth proportional to 11,813.96, 16,303.28 and 6,436.37 is: 8,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.96 : 16,303.28 = 6,436.37 : x
  2. Step 2: Convert to fraction form
    11,813.96/16,303.28 = 6,436.37/x
  3. Step 3: Cross multiply
    11,813.96x = 16,303.28 × 6,436.37
  4. Step 4: Simplify right side
    11,813.96x = 104,933,910.11
  5. Step 5: Solve for x
    x = 104,933,910.11/11,813.96
  6. Step 6: Final answer
    x = 8,882.20

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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.