Home / 11,860.94-16,368.12-6,555.75

Finding the Fourth Proportional to 11,860.94, 16,368.12 and 6,555.75

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Solution

The fourth proportional to 11,860.94, 16,368.12 and 6,555.75 is: 9,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.94 : 16,368.12 = 6,555.75 : x
  2. Step 2: Convert to fraction form
    11,860.94/16,368.12 = 6,555.75/x
  3. Step 3: Cross multiply
    11,860.94x = 16,368.12 × 6,555.75
  4. Step 4: Simplify right side
    11,860.94x = 107,305,302.69
  5. Step 5: Solve for x
    x = 107,305,302.69/11,860.94
  6. Step 6: Final answer
    x = 9,046.95

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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.