Home / 12,254.24-16,910.88-6,665.24

Finding the Fourth Proportional to 12,254.24, 16,910.88 and 6,665.24

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Solution

The fourth proportional to 12,254.24, 16,910.88 and 6,665.24 is: 9,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.24 : 16,910.88 = 6,665.24 : x
  2. Step 2: Convert to fraction form
    12,254.24/16,910.88 = 6,665.24/x
  3. Step 3: Cross multiply
    12,254.24x = 16,910.88 × 6,665.24
  4. Step 4: Simplify right side
    12,254.24x = 112,715,073.81
  5. Step 5: Solve for x
    x = 112,715,073.81/12,254.24
  6. Step 6: Final answer
    x = 9,198.05

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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.