Home / 10,808.30-14,910.77-6,772.68

Finding the Fourth Proportional to 10,808.30, 14,910.77 and 6,772.68

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Solution

The fourth proportional to 10,808.30, 14,910.77 and 6,772.68 is: 9,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,808.30 : 14,910.77 = 6,772.68 : x
  2. Step 2: Convert to fraction form
    10,808.30/14,910.77 = 6,772.68/x
  3. Step 3: Cross multiply
    10,808.30x = 14,910.77 × 6,772.68
  4. Step 4: Simplify right side
    10,808.30x = 100,985,890.70
  5. Step 5: Solve for x
    x = 100,985,890.70/10,808.30
  6. Step 6: Final answer
    x = 9,343.36

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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.