Home / 11,216.61-16,827.56-6,289.65

Finding the Fourth Proportional to 11,216.61, 16,827.56 and 6,289.65

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Solution

The fourth proportional to 11,216.61, 16,827.56 and 6,289.65 is: 9,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.61 : 16,827.56 = 6,289.65 : x
  2. Step 2: Convert to fraction form
    11,216.61/16,827.56 = 6,289.65/x
  3. Step 3: Cross multiply
    11,216.61x = 16,827.56 × 6,289.65
  4. Step 4: Simplify right side
    11,216.61x = 105,839,431.31
  5. Step 5: Solve for x
    x = 105,839,431.31/11,216.61
  6. Step 6: Final answer
    x = 9,435.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.