Home / 11,833.31-16,329.61-6,455.90

Finding the Fourth Proportional to 11,833.31, 16,329.61 and 6,455.90

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Solution

The fourth proportional to 11,833.31, 16,329.61 and 6,455.90 is: 8,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,833.31 : 16,329.61 = 6,455.90 : x
  2. Step 2: Convert to fraction form
    11,833.31/16,329.61 = 6,455.90/x
  3. Step 3: Cross multiply
    11,833.31x = 16,329.61 × 6,455.90
  4. Step 4: Simplify right side
    11,833.31x = 105,422,329.20
  5. Step 5: Solve for x
    x = 105,422,329.20/11,833.31
  6. Step 6: Final answer
    x = 8,908.95

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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.