Home / 12,214.28-16,855.71-6,908.98

Finding the Fourth Proportional to 12,214.28, 16,855.71 and 6,908.98

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Solution

The fourth proportional to 12,214.28, 16,855.71 and 6,908.98 is: 9,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.28 : 16,855.71 = 6,908.98 : x
  2. Step 2: Convert to fraction form
    12,214.28/16,855.71 = 6,908.98/x
  3. Step 3: Cross multiply
    12,214.28x = 16,855.71 × 6,908.98
  4. Step 4: Simplify right side
    12,214.28x = 116,455,763.28
  5. Step 5: Solve for x
    x = 116,455,763.28/12,214.28
  6. Step 6: Final answer
    x = 9,534.39

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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.