Home / 11,910.20-16,436.90-6,605.51

Finding the Fourth Proportional to 11,910.20, 16,436.90 and 6,605.51

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Solution

The fourth proportional to 11,910.20, 16,436.90 and 6,605.51 is: 9,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.20 : 16,436.90 = 6,605.51 : x
  2. Step 2: Convert to fraction form
    11,910.20/16,436.90 = 6,605.51/x
  3. Step 3: Cross multiply
    11,910.20x = 16,436.90 × 6,605.51
  4. Step 4: Simplify right side
    11,910.20x = 108,574,107.32
  5. Step 5: Solve for x
    x = 108,574,107.32/11,910.20
  6. Step 6: Final answer
    x = 9,116.06

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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.