Home / 12,254.28-16,910.85-6,665.28

Finding the Fourth Proportional to 12,254.28, 16,910.85 and 6,665.28

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Solution

The fourth proportional to 12,254.28, 16,910.85 and 6,665.28 is: 9,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.28 : 16,910.85 = 6,665.28 : x
  2. Step 2: Convert to fraction form
    12,254.28/16,910.85 = 6,665.28/x
  3. Step 3: Cross multiply
    12,254.28x = 16,910.85 × 6,665.28
  4. Step 4: Simplify right side
    12,254.28x = 112,715,550.29
  5. Step 5: Solve for x
    x = 112,715,550.29/12,254.28
  6. Step 6: Final answer
    x = 9,198.06

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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.