Home / 11,809.99-16,301.21-9,436.49

Finding the Fourth Proportional to 11,809.99, 16,301.21 and 9,436.49

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Solution

The fourth proportional to 11,809.99, 16,301.21 and 9,436.49 is: 13,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.99 : 16,301.21 = 9,436.49 : x
  2. Step 2: Convert to fraction form
    11,809.99/16,301.21 = 9,436.49/x
  3. Step 3: Cross multiply
    11,809.99x = 16,301.21 × 9,436.49
  4. Step 4: Simplify right side
    11,809.99x = 153,826,205.15
  5. Step 5: Solve for x
    x = 153,826,205.15/11,809.99
  6. Step 6: Final answer
    x = 13,025.09

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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.