Home / 12,206.05-16,845.95-6,900.87

Finding the Fourth Proportional to 12,206.05, 16,845.95 and 6,900.87

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Solution

The fourth proportional to 12,206.05, 16,845.95 and 6,900.87 is: 9,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.05 : 16,845.95 = 6,900.87 : x
  2. Step 2: Convert to fraction form
    12,206.05/16,845.95 = 6,900.87/x
  3. Step 3: Cross multiply
    12,206.05x = 16,845.95 × 6,900.87
  4. Step 4: Simplify right side
    12,206.05x = 116,251,710.98
  5. Step 5: Solve for x
    x = 116,251,710.98/12,206.05
  6. Step 6: Final answer
    x = 9,524.11

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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.