Home / 10,813.77-16,209.61-6,867.91

Finding the Fourth Proportional to 10,813.77, 16,209.61 and 6,867.91

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Solution

The fourth proportional to 10,813.77, 16,209.61 and 6,867.91 is: 10,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.77 : 16,209.61 = 6,867.91 : x
  2. Step 2: Convert to fraction form
    10,813.77/16,209.61 = 6,867.91/x
  3. Step 3: Cross multiply
    10,813.77x = 16,209.61 × 6,867.91
  4. Step 4: Simplify right side
    10,813.77x = 111,326,102.09
  5. Step 5: Solve for x
    x = 111,326,102.09/10,813.77
  6. Step 6: Final answer
    x = 10,294.84

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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.