Home / 11,910.84-16,437.62-6,605.54

Finding the Fourth Proportional to 11,910.84, 16,437.62 and 6,605.54

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Solution

The fourth proportional to 11,910.84, 16,437.62 and 6,605.54 is: 9,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.84 : 16,437.62 = 6,605.54 : x
  2. Step 2: Convert to fraction form
    11,910.84/16,437.62 = 6,605.54/x
  3. Step 3: Cross multiply
    11,910.84x = 16,437.62 × 6,605.54
  4. Step 4: Simplify right side
    11,910.84x = 108,579,356.41
  5. Step 5: Solve for x
    x = 108,579,356.41/11,910.84
  6. Step 6: Final answer
    x = 9,116.01

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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.